Home / 1,095,596.70-1,643,395.05-307,526.30

Finding the Fourth Proportional to 1,095,596.70, 1,643,395.05 and 307,526.30

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Solution

The fourth proportional to 1,095,596.70, 1,643,395.05 and 307,526.30 is: 461,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,596.70 : 1,643,395.05 = 307,526.30 : x
  2. Step 2: Convert to fraction form
    1,095,596.70/1,643,395.05 = 307,526.30/x
  3. Step 3: Cross multiply
    1,095,596.70x = 1,643,395.05 × 307,526.30
  4. Step 4: Simplify right side
    1,095,596.70x = 505,387,199,164.82
  5. Step 5: Solve for x
    x = 505,387,199,164.82/1,095,596.70
  6. Step 6: Final answer
    x = 461,289.45

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Half scale
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Double scale
Find fourth proportional to 1,095,597.70, 1,643,396.55 and 307,527.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.