Home / 814,000.10-1,221,000.15-562,057.70

Finding the Fourth Proportional to 814,000.10, 1,221,000.15 and 562,057.70

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Solution

The fourth proportional to 814,000.10, 1,221,000.15 and 562,057.70 is: 843,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,000.10 : 1,221,000.15 = 562,057.70 : x
  2. Step 2: Convert to fraction form
    814,000.10/1,221,000.15 = 562,057.70/x
  3. Step 3: Cross multiply
    814,000.10x = 1,221,000.15 × 562,057.70
  4. Step 4: Simplify right side
    814,000.10x = 686,272,536,008.66
  5. Step 5: Solve for x
    x = 686,272,536,008.66/814,000.10
  6. Step 6: Final answer
    x = 843,086.55

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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.