Home / 527,598.32-791,390.58-128,237.94

Finding the Fourth Proportional to 527,598.32, 791,390.58 and 128,237.94

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Solution

The fourth proportional to 527,598.32, 791,390.58 and 128,237.94 is: 192,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,598.32 : 791,390.58 = 128,237.94 : x
  2. Step 2: Convert to fraction form
    527,598.32/791,390.58 = 128,237.94/x
  3. Step 3: Cross multiply
    527,598.32x = 791,390.58 × 128,237.94
  4. Step 4: Simplify right side
    527,598.32x = 101,486,297,714.61
  5. Step 5: Solve for x
    x = 101,486,297,714.61/527,598.32
  6. Step 6: Final answer
    x = 192,355.23

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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.