Home / 679,792.68-938,124.18-373,882.14

Finding the Fourth Proportional to 679,792.68, 938,124.18 and 373,882.14

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Solution

The fourth proportional to 679,792.68, 938,124.18 and 373,882.14 is: 515,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,792.68 : 938,124.18 = 373,882.14 : x
  2. Step 2: Convert to fraction form
    679,792.68/938,124.18 = 373,882.14/x
  3. Step 3: Cross multiply
    679,792.68x = 938,124.18 × 373,882.14
  4. Step 4: Simplify right side
    679,792.68x = 350,747,876,004.15
  5. Step 5: Solve for x
    x = 350,747,876,004.15/679,792.68
  6. Step 6: Final answer
    x = 515,963.01

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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.