Home / 972,630.32-1,342,514.90-564,915.43

Finding the Fourth Proportional to 972,630.32, 1,342,514.90 and 564,915.43

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Solution

The fourth proportional to 972,630.32, 1,342,514.90 and 564,915.43 is: 779,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,630.32 : 1,342,514.90 = 564,915.43 : x
  2. Step 2: Convert to fraction form
    972,630.32/1,342,514.90 = 564,915.43/x
  3. Step 3: Cross multiply
    972,630.32x = 1,342,514.90 × 564,915.43
  4. Step 4: Simplify right side
    972,630.32x = 758,407,375,469.57
  5. Step 5: Solve for x
    x = 758,407,375,469.57/972,630.32
  6. Step 6: Final answer
    x = 779,748.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.