Home / 690,042.12-951,274.17-536,811.18

Finding the Fourth Proportional to 690,042.12, 951,274.17 and 536,811.18

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Solution

The fourth proportional to 690,042.12, 951,274.17 and 536,811.18 is: 740,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,042.12 : 951,274.17 = 536,811.18 : x
  2. Step 2: Convert to fraction form
    690,042.12/951,274.17 = 536,811.18/x
  3. Step 3: Cross multiply
    690,042.12x = 951,274.17 × 536,811.18
  4. Step 4: Simplify right side
    690,042.12x = 510,654,609,701.22
  5. Step 5: Solve for x
    x = 510,654,609,701.22/690,042.12
  6. Step 6: Final answer
    x = 740,033.97

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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.