Home / 838,203.40-1,156,656.18-456,221.80

Finding the Fourth Proportional to 838,203.40, 1,156,656.18 and 456,221.80

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Solution

The fourth proportional to 838,203.40, 1,156,656.18 and 456,221.80 is: 629,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,203.40 : 1,156,656.18 = 456,221.80 : x
  2. Step 2: Convert to fraction form
    838,203.40/1,156,656.18 = 456,221.80/x
  3. Step 3: Cross multiply
    838,203.40x = 1,156,656.18 × 456,221.80
  4. Step 4: Simplify right side
    838,203.40x = 527,691,764,420.72
  5. Step 5: Solve for x
    x = 527,691,764,420.72/838,203.40
  6. Step 6: Final answer
    x = 629,550.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.