Home / 1,432,078.74-2,147,658.66-472,318.58

Finding the Fourth Proportional to 1,432,078.74, 2,147,658.66 and 472,318.58

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Solution

The fourth proportional to 1,432,078.74, 2,147,658.66 and 472,318.58 is: 708,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,078.74 : 2,147,658.66 = 472,318.58 : x
  2. Step 2: Convert to fraction form
    1,432,078.74/2,147,658.66 = 472,318.58/x
  3. Step 3: Cross multiply
    1,432,078.74x = 2,147,658.66 × 472,318.58
  4. Step 4: Simplify right side
    1,432,078.74x = 1,014,379,077,877.61
  5. Step 5: Solve for x
    x = 1,014,379,077,877.61/1,432,078.74
  6. Step 6: Final answer
    x = 708,326.33

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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.