Home / 730,882.47-1,008,640.05-408,606.15

Finding the Fourth Proportional to 730,882.47, 1,008,640.05 and 408,606.15

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Solution

The fourth proportional to 730,882.47, 1,008,640.05 and 408,606.15 is: 563,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,882.47 : 1,008,640.05 = 408,606.15 : x
  2. Step 2: Convert to fraction form
    730,882.47/1,008,640.05 = 408,606.15/x
  3. Step 3: Cross multiply
    730,882.47x = 1,008,640.05 × 408,606.15
  4. Step 4: Simplify right side
    730,882.47x = 412,136,527,566.31
  5. Step 5: Solve for x
    x = 412,136,527,566.31/730,882.47
  6. Step 6: Final answer
    x = 563,888.92

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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.