Home / 838,353.24-1,156,921.56-456,379.02

Finding the Fourth Proportional to 838,353.24, 1,156,921.56 and 456,379.02

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Solution

The fourth proportional to 838,353.24, 1,156,921.56 and 456,379.02 is: 629,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,353.24 : 1,156,921.56 = 456,379.02 : x
  2. Step 2: Convert to fraction form
    838,353.24/1,156,921.56 = 456,379.02/x
  3. Step 3: Cross multiply
    838,353.24x = 1,156,921.56 × 456,379.02
  4. Step 4: Simplify right side
    838,353.24x = 527,994,727,769.67
  5. Step 5: Solve for x
    x = 527,994,727,769.67/838,353.24
  6. Step 6: Final answer
    x = 629,799.83

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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.