Home / 1,095,784.40-1,643,676.60-307,816.40

Finding the Fourth Proportional to 1,095,784.40, 1,643,676.60 and 307,816.40

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Solution

The fourth proportional to 1,095,784.40, 1,643,676.60 and 307,816.40 is: 461,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,784.40 : 1,643,676.60 = 307,816.40 : x
  2. Step 2: Convert to fraction form
    1,095,784.40/1,643,676.60 = 307,816.40/x
  3. Step 3: Cross multiply
    1,095,784.40x = 1,643,676.60 × 307,816.40
  4. Step 4: Simplify right side
    1,095,784.40x = 505,950,613,776.24
  5. Step 5: Solve for x
    x = 505,950,613,776.24/1,095,784.40
  6. Step 6: Final answer
    x = 461,724.60

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Double scale
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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.