Home / 1,419,432.76-2,129,149.23-1,133,785.91

Finding the Fourth Proportional to 1,419,432.76, 2,129,149.23 and 1,133,785.91

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Solution

The fourth proportional to 1,419,432.76, 2,129,149.23 and 1,133,785.91 is: 1,700,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,432.76 : 2,129,149.23 = 1,133,785.91 : x
  2. Step 2: Convert to fraction form
    1,419,432.76/2,129,149.23 = 1,133,785.91/x
  3. Step 3: Cross multiply
    1,419,432.76x = 2,129,149.23 × 1,133,785.91
  4. Step 4: Simplify right side
    1,419,432.76x = 2,413,999,398,332.53
  5. Step 5: Solve for x
    x = 2,413,999,398,332.53/1,419,432.76
  6. Step 6: Final answer
    x = 1,700,678.94

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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.