Home / 864,327.12-1,192,740.17-477,134.22

Finding the Fourth Proportional to 864,327.12, 1,192,740.17 and 477,134.22

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Solution

The fourth proportional to 864,327.12, 1,192,740.17 and 477,134.22 is: 658,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,327.12 : 1,192,740.17 = 477,134.22 : x
  2. Step 2: Convert to fraction form
    864,327.12/1,192,740.17 = 477,134.22/x
  3. Step 3: Cross multiply
    864,327.12x = 1,192,740.17 × 477,134.22
  4. Step 4: Simplify right side
    864,327.12x = 569,097,148,289.95
  5. Step 5: Solve for x
    x = 569,097,148,289.95/864,327.12
  6. Step 6: Final answer
    x = 658,427.97

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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.