Home / 1,234,210.80-1,851,452.28-392,565.72

Finding the Fourth Proportional to 1,234,210.80, 1,851,452.28 and 392,565.72

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Solution

The fourth proportional to 1,234,210.80, 1,851,452.28 and 392,565.72 is: 588,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,210.80 : 1,851,452.28 = 392,565.72 : x
  2. Step 2: Convert to fraction form
    1,234,210.80/1,851,452.28 = 392,565.72/x
  3. Step 3: Cross multiply
    1,234,210.80x = 1,851,452.28 × 392,565.72
  4. Step 4: Simplify right side
    1,234,210.80x = 726,816,697,343.84
  5. Step 5: Solve for x
    x = 726,816,697,343.84/1,234,210.80
  6. Step 6: Final answer
    x = 588,891.86

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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.