Home / 766,294.61-1,057,519.35-426,762.86

Finding the Fourth Proportional to 766,294.61, 1,057,519.35 and 426,762.86

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Solution

The fourth proportional to 766,294.61, 1,057,519.35 and 426,762.86 is: 588,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,294.61 : 1,057,519.35 = 426,762.86 : x
  2. Step 2: Convert to fraction form
    766,294.61/1,057,519.35 = 426,762.86/x
  3. Step 3: Cross multiply
    766,294.61x = 1,057,519.35 × 426,762.86
  4. Step 4: Simplify right side
    766,294.61x = 451,309,977,023.74
  5. Step 5: Solve for x
    x = 451,309,977,023.74/766,294.61
  6. Step 6: Final answer
    x = 588,951.00

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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.