Home / 884,830.92-1,221,170.46-502,915.10

Finding the Fourth Proportional to 884,830.92, 1,221,170.46 and 502,915.10

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Solution

The fourth proportional to 884,830.92, 1,221,170.46 and 502,915.10 is: 694,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,830.92 : 1,221,170.46 = 502,915.10 : x
  2. Step 2: Convert to fraction form
    884,830.92/1,221,170.46 = 502,915.10/x
  3. Step 3: Cross multiply
    884,830.92x = 1,221,170.46 × 502,915.10
  4. Step 4: Simplify right side
    884,830.92x = 614,145,064,007.95
  5. Step 5: Solve for x
    x = 614,145,064,007.95/884,830.92
  6. Step 6: Final answer
    x = 694,081.83

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1.5x scale

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.