Home / 730,940.61-1,008,646.83-424,995.28

Finding the Fourth Proportional to 730,940.61, 1,008,646.83 and 424,995.28

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Solution

The fourth proportional to 730,940.61, 1,008,646.83 and 424,995.28 is: 586,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,940.61 : 1,008,646.83 = 424,995.28 : x
  2. Step 2: Convert to fraction form
    730,940.61/1,008,646.83 = 424,995.28/x
  3. Step 3: Cross multiply
    730,940.61x = 1,008,646.83 × 424,995.28
  4. Step 4: Simplify right side
    730,940.61x = 428,670,142,252.17
  5. Step 5: Solve for x
    x = 428,670,142,252.17/730,940.61
  6. Step 6: Final answer
    x = 586,463.71

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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.