Home / 753,325.90-1,129,988.85-332,517.94

Finding the Fourth Proportional to 753,325.90, 1,129,988.85 and 332,517.94

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Solution

The fourth proportional to 753,325.90, 1,129,988.85 and 332,517.94 is: 498,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,325.90 : 1,129,988.85 = 332,517.94 : x
  2. Step 2: Convert to fraction form
    753,325.90/1,129,988.85 = 332,517.94/x
  3. Step 3: Cross multiply
    753,325.90x = 1,129,988.85 × 332,517.94
  4. Step 4: Simplify right side
    753,325.90x = 375,741,564,624.97
  5. Step 5: Solve for x
    x = 375,741,564,624.97/753,325.90
  6. Step 6: Final answer
    x = 498,776.91

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1.5x scale

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.