Home / 865,856.08-1,194,777.88-478,619.20

Finding the Fourth Proportional to 865,856.08, 1,194,777.88 and 478,619.20

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Solution

The fourth proportional to 865,856.08, 1,194,777.88 and 478,619.20 is: 660,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,856.08 : 1,194,777.88 = 478,619.20 : x
  2. Step 2: Convert to fraction form
    865,856.08/1,194,777.88 = 478,619.20/x
  3. Step 3: Cross multiply
    865,856.08x = 1,194,777.88 × 478,619.20
  4. Step 4: Simplify right side
    865,856.08x = 571,843,633,103.30
  5. Step 5: Solve for x
    x = 571,843,633,103.30/865,856.08
  6. Step 6: Final answer
    x = 660,437.28

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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.