Home / 932,942.56-1,288,080.48-717,702.88

Finding the Fourth Proportional to 932,942.56, 1,288,080.48 and 717,702.88

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Solution

The fourth proportional to 932,942.56, 1,288,080.48 and 717,702.88 is: 990,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,942.56 : 1,288,080.48 = 717,702.88 : x
  2. Step 2: Convert to fraction form
    932,942.56/1,288,080.48 = 717,702.88/x
  3. Step 3: Cross multiply
    932,942.56x = 1,288,080.48 × 717,702.88
  4. Step 4: Simplify right side
    932,942.56x = 924,459,070,167.78
  5. Step 5: Solve for x
    x = 924,459,070,167.78/932,942.56
  6. Step 6: Final answer
    x = 990,906.74

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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.