Home / 807,151.56-1,113,869.10-467,816.64

Finding the Fourth Proportional to 807,151.56, 1,113,869.10 and 467,816.64

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Solution

The fourth proportional to 807,151.56, 1,113,869.10 and 467,816.64 is: 645,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,151.56 : 1,113,869.10 = 467,816.64 : x
  2. Step 2: Convert to fraction form
    807,151.56/1,113,869.10 = 467,816.64/x
  3. Step 3: Cross multiply
    807,151.56x = 1,113,869.10 × 467,816.64
  4. Step 4: Simplify right side
    807,151.56x = 521,086,499,761.82
  5. Step 5: Solve for x
    x = 521,086,499,761.82/807,151.56
  6. Step 6: Final answer
    x = 645,586.93

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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.