Home / 951,156.80-1,312,613.28-515,588.42

Finding the Fourth Proportional to 951,156.80, 1,312,613.28 and 515,588.42

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Solution

The fourth proportional to 951,156.80, 1,312,613.28 and 515,588.42 is: 711,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,156.80 : 1,312,613.28 = 515,588.42 : x
  2. Step 2: Convert to fraction form
    951,156.80/1,312,613.28 = 515,588.42/x
  3. Step 3: Cross multiply
    951,156.80x = 1,312,613.28 × 515,588.42
  4. Step 4: Simplify right side
    951,156.80x = 676,768,200,543.15
  5. Step 5: Solve for x
    x = 676,768,200,543.15/951,156.80
  6. Step 6: Final answer
    x = 711,521.18

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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.