Home / 986,612.01-1,479,318.74-386,854.61

Finding the Fourth Proportional to 986,612.01, 1,479,318.74 and 386,854.61

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Solution

The fourth proportional to 986,612.01, 1,479,318.74 and 386,854.61 is: 580,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,612.01 : 1,479,318.74 = 386,854.61 : x
  2. Step 2: Convert to fraction form
    986,612.01/1,479,318.74 = 386,854.61/x
  3. Step 3: Cross multiply
    986,612.01x = 1,479,318.74 × 386,854.61
  4. Step 4: Simplify right side
    986,612.01x = 572,281,272,294.12
  5. Step 5: Solve for x
    x = 572,281,272,294.12/986,612.01
  6. Step 6: Final answer
    x = 580,046.93

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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.