Home / 914,419.68-1,261,909.30-506,527.76

Finding the Fourth Proportional to 914,419.68, 1,261,909.30 and 506,527.76

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Solution

The fourth proportional to 914,419.68, 1,261,909.30 and 506,527.76 is: 699,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,419.68 : 1,261,909.30 = 506,527.76 : x
  2. Step 2: Convert to fraction form
    914,419.68/1,261,909.30 = 506,527.76/x
  3. Step 3: Cross multiply
    914,419.68x = 1,261,909.30 × 506,527.76
  4. Step 4: Simplify right side
    914,419.68x = 639,192,091,052.17
  5. Step 5: Solve for x
    x = 639,192,091,052.17/914,419.68
  6. Step 6: Final answer
    x = 699,013.93

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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.