Home / 527,300.70-727,671.35-285,577.75

Finding the Fourth Proportional to 527,300.70, 727,671.35 and 285,577.75

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Solution

The fourth proportional to 527,300.70, 727,671.35 and 285,577.75 is: 394,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,300.70 : 727,671.35 = 285,577.75 : x
  2. Step 2: Convert to fraction form
    527,300.70/727,671.35 = 285,577.75/x
  3. Step 3: Cross multiply
    527,300.70x = 727,671.35 × 285,577.75
  4. Step 4: Simplify right side
    527,300.70x = 207,806,745,444.57
  5. Step 5: Solve for x
    x = 207,806,745,444.57/527,300.70
  6. Step 6: Final answer
    x = 394,095.34

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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.