Home / 1,095,586.40-1,643,624.40-385,637.60

Finding the Fourth Proportional to 1,095,586.40, 1,643,624.40 and 385,637.60

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Solution

The fourth proportional to 1,095,586.40, 1,643,624.40 and 385,637.60 is: 578,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,586.40 : 1,643,624.40 = 385,637.60 : x
  2. Step 2: Convert to fraction form
    1,095,586.40/1,643,624.40 = 385,637.60/x
  3. Step 3: Cross multiply
    1,095,586.40x = 1,643,624.40 × 385,637.60
  4. Step 4: Simplify right side
    1,095,586.40x = 633,843,368,917.44
  5. Step 5: Solve for x
    x = 633,843,368,917.44/1,095,586.40
  6. Step 6: Final answer
    x = 578,542.57

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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.