Home / 814,276.56-1,220,169.12-435,251.16

Finding the Fourth Proportional to 814,276.56, 1,220,169.12 and 435,251.16

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Solution

The fourth proportional to 814,276.56, 1,220,169.12 and 435,251.16 is: 652,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,276.56 : 1,220,169.12 = 435,251.16 : x
  2. Step 2: Convert to fraction form
    814,276.56/1,220,169.12 = 435,251.16/x
  3. Step 3: Cross multiply
    814,276.56x = 1,220,169.12 × 435,251.16
  4. Step 4: Simplify right side
    814,276.56x = 531,080,024,876.18
  5. Step 5: Solve for x
    x = 531,080,024,876.18/814,276.56
  6. Step 6: Final answer
    x = 652,210.87

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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.