Home / 730,306.24-1,007,649.89-424,200.74

Finding the Fourth Proportional to 730,306.24, 1,007,649.89 and 424,200.74

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Solution

The fourth proportional to 730,306.24, 1,007,649.89 and 424,200.74 is: 585,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,306.24 : 1,007,649.89 = 424,200.74 : x
  2. Step 2: Convert to fraction form
    730,306.24/1,007,649.89 = 424,200.74/x
  3. Step 3: Cross multiply
    730,306.24x = 1,007,649.89 × 424,200.74
  4. Step 4: Simplify right side
    730,306.24x = 427,445,828,998.92
  5. Step 5: Solve for x
    x = 427,445,828,998.92/730,306.24
  6. Step 6: Final answer
    x = 585,296.70

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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.