Home / 732,139.48-1,098,919.38-353,326.81

Finding the Fourth Proportional to 732,139.48, 1,098,919.38 and 353,326.81

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Solution

The fourth proportional to 732,139.48, 1,098,919.38 and 353,326.81 is: 530,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,139.48 : 1,098,919.38 = 353,326.81 : x
  2. Step 2: Convert to fraction form
    732,139.48/1,098,919.38 = 353,326.81/x
  3. Step 3: Cross multiply
    732,139.48x = 1,098,919.38 × 353,326.81
  4. Step 4: Simplify right side
    732,139.48x = 388,277,678,982.58
  5. Step 5: Solve for x
    x = 388,277,678,982.58/732,139.48
  6. Step 6: Final answer
    x = 530,332.93

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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.