Home / 875,318.14-1,311,872.76-469,503.89

Finding the Fourth Proportional to 875,318.14, 1,311,872.76 and 469,503.89

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Solution

The fourth proportional to 875,318.14, 1,311,872.76 and 469,503.89 is: 703,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,318.14 : 1,311,872.76 = 469,503.89 : x
  2. Step 2: Convert to fraction form
    875,318.14/1,311,872.76 = 469,503.89/x
  3. Step 3: Cross multiply
    875,318.14x = 1,311,872.76 × 469,503.89
  4. Step 4: Simplify right side
    875,318.14x = 615,929,364,005.04
  5. Step 5: Solve for x
    x = 615,929,364,005.04/875,318.14
  6. Step 6: Final answer
    x = 703,663.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.