Home / 527,827.98-791,730.84-128,470.98

Finding the Fourth Proportional to 527,827.98, 791,730.84 and 128,470.98

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Solution

The fourth proportional to 527,827.98, 791,730.84 and 128,470.98 is: 192,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,827.98 : 791,730.84 = 128,470.98 : x
  2. Step 2: Convert to fraction form
    527,827.98/791,730.84 = 128,470.98/x
  3. Step 3: Cross multiply
    527,827.98x = 791,730.84 × 128,470.98
  4. Step 4: Simplify right side
    527,827.98x = 101,714,436,911.02
  5. Step 5: Solve for x
    x = 101,714,436,911.02/527,827.98
  6. Step 6: Final answer
    x = 192,703.76

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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.