Home / 814,500.60-1,221,750.90-514,006.80

Finding the Fourth Proportional to 814,500.60, 1,221,750.90 and 514,006.80

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Solution

The fourth proportional to 814,500.60, 1,221,750.90 and 514,006.80 is: 771,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,500.60 : 1,221,750.90 = 514,006.80 : x
  2. Step 2: Convert to fraction form
    814,500.60/1,221,750.90 = 514,006.80/x
  3. Step 3: Cross multiply
    814,500.60x = 1,221,750.90 × 514,006.80
  4. Step 4: Simplify right side
    814,500.60x = 627,988,270,506.12
  5. Step 5: Solve for x
    x = 627,988,270,506.12/814,500.60
  6. Step 6: Final answer
    x = 771,010.20

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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.