Home / 865,883.15-1,194,955.65-483,909.92

Finding the Fourth Proportional to 865,883.15, 1,194,955.65 and 483,909.92

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Solution

The fourth proportional to 865,883.15, 1,194,955.65 and 483,909.92 is: 667,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,883.15 : 1,194,955.65 = 483,909.92 : x
  2. Step 2: Convert to fraction form
    865,883.15/1,194,955.65 = 483,909.92/x
  3. Step 3: Cross multiply
    865,883.15x = 1,194,955.65 × 483,909.92
  4. Step 4: Simplify right side
    865,883.15x = 578,250,890,575.50
  5. Step 5: Solve for x
    x = 578,250,890,575.50/865,883.15
  6. Step 6: Final answer
    x = 667,816.31

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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.