Home / 861,438.86-1,188,796.89-474,299.30

Finding the Fourth Proportional to 861,438.86, 1,188,796.89 and 474,299.30

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Solution

The fourth proportional to 861,438.86, 1,188,796.89 and 474,299.30 is: 654,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,438.86 : 1,188,796.89 = 474,299.30 : x
  2. Step 2: Convert to fraction form
    861,438.86/1,188,796.89 = 474,299.30/x
  3. Step 3: Cross multiply
    861,438.86x = 1,188,796.89 × 474,299.30
  4. Step 4: Simplify right side
    861,438.86x = 563,845,532,769.18
  5. Step 5: Solve for x
    x = 563,845,532,769.18/861,438.86
  6. Step 6: Final answer
    x = 654,539.24

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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.