Home / 929,704.13-1,394,398.32-424,146.27

Finding the Fourth Proportional to 929,704.13, 1,394,398.32 and 424,146.27

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Solution

The fourth proportional to 929,704.13, 1,394,398.32 and 424,146.27 is: 636,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,704.13 : 1,394,398.32 = 424,146.27 : x
  2. Step 2: Convert to fraction form
    929,704.13/1,394,398.32 = 424,146.27/x
  3. Step 3: Cross multiply
    929,704.13x = 1,394,398.32 × 424,146.27
  4. Step 4: Simplify right side
    929,704.13x = 591,428,849,960.71
  5. Step 5: Solve for x
    x = 591,428,849,960.71/929,704.13
  6. Step 6: Final answer
    x = 636,147.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.