Home / 927,114.69-1,391,257.05-394,634.88

Finding the Fourth Proportional to 927,114.69, 1,391,257.05 and 394,634.88

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Solution

The fourth proportional to 927,114.69, 1,391,257.05 and 394,634.88 is: 592,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,114.69 : 1,391,257.05 = 394,634.88 : x
  2. Step 2: Convert to fraction form
    927,114.69/1,391,257.05 = 394,634.88/x
  3. Step 3: Cross multiply
    927,114.69x = 1,391,257.05 × 394,634.88
  4. Step 4: Simplify right side
    927,114.69x = 549,038,558,975.90
  5. Step 5: Solve for x
    x = 549,038,558,975.90/927,114.69
  6. Step 6: Final answer
    x = 592,201.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.