Home / 472,977.01-709,445.67-220,170.61

Finding the Fourth Proportional to 472,977.01, 709,445.67 and 220,170.61

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Solution

The fourth proportional to 472,977.01, 709,445.67 and 220,170.61 is: 330,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,977.01 : 709,445.67 = 220,170.61 : x
  2. Step 2: Convert to fraction form
    472,977.01/709,445.67 = 220,170.61/x
  3. Step 3: Cross multiply
    472,977.01x = 709,445.67 × 220,170.61
  4. Step 4: Simplify right side
    472,977.01x = 156,199,085,925.76
  5. Step 5: Solve for x
    x = 156,199,085,925.76/472,977.01
  6. Step 6: Final answer
    x = 330,246.68

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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.