Home / 753,467.84-1,039,785.90-413,957.96

Finding the Fourth Proportional to 753,467.84, 1,039,785.90 and 413,957.96

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Solution

The fourth proportional to 753,467.84, 1,039,785.90 and 413,957.96 is: 571,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,467.84 : 1,039,785.90 = 413,957.96 : x
  2. Step 2: Convert to fraction form
    753,467.84/1,039,785.90 = 413,957.96/x
  3. Step 3: Cross multiply
    753,467.84x = 1,039,785.90 × 413,957.96
  4. Step 4: Simplify right side
    753,467.84x = 430,427,650,000.76
  5. Step 5: Solve for x
    x = 430,427,650,000.76/753,467.84
  6. Step 6: Final answer
    x = 571,262.14

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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.