Home / 987,962.19-1,363,389.17-535,253.19

Finding the Fourth Proportional to 987,962.19, 1,363,389.17 and 535,253.19

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Solution

The fourth proportional to 987,962.19, 1,363,389.17 and 535,253.19 is: 738,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,962.19 : 1,363,389.17 = 535,253.19 : x
  2. Step 2: Convert to fraction form
    987,962.19/1,363,389.17 = 535,253.19/x
  3. Step 3: Cross multiply
    987,962.19x = 1,363,389.17 × 535,253.19
  4. Step 4: Simplify right side
    987,962.19x = 729,758,399,777.69
  5. Step 5: Solve for x
    x = 729,758,399,777.69/987,962.19
  6. Step 6: Final answer
    x = 738,650.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.