Home / 838,202.40-1,156,654.80-456,220.80

Finding the Fourth Proportional to 838,202.40, 1,156,654.80 and 456,220.80

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Solution

The fourth proportional to 838,202.40, 1,156,654.80 and 456,220.80 is: 629,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,202.40 : 1,156,654.80 = 456,220.80 : x
  2. Step 2: Convert to fraction form
    838,202.40/1,156,654.80 = 456,220.80/x
  3. Step 3: Cross multiply
    838,202.40x = 1,156,654.80 × 456,220.80
  4. Step 4: Simplify right side
    838,202.40x = 527,689,978,179.84
  5. Step 5: Solve for x
    x = 527,689,978,179.84/838,202.40
  6. Step 6: Final answer
    x = 629,549.59

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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.