Home / 753,116.10-1,129,674.15-254,472.90

Finding the Fourth Proportional to 753,116.10, 1,129,674.15 and 254,472.90

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Solution

The fourth proportional to 753,116.10, 1,129,674.15 and 254,472.90 is: 381,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,116.10 : 1,129,674.15 = 254,472.90 : x
  2. Step 2: Convert to fraction form
    753,116.10/1,129,674.15 = 254,472.90/x
  3. Step 3: Cross multiply
    753,116.10x = 1,129,674.15 × 254,472.90
  4. Step 4: Simplify right side
    753,116.10x = 287,471,457,005.54
  5. Step 5: Solve for x
    x = 287,471,457,005.54/753,116.10
  6. Step 6: Final answer
    x = 381,709.35

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Double scale
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Similar ratio
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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.