Home / 865,983.60-1,298,975.40-582,548.40

Finding the Fourth Proportional to 865,983.60, 1,298,975.40 and 582,548.40

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Solution

The fourth proportional to 865,983.60, 1,298,975.40 and 582,548.40 is: 873,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,983.60 : 1,298,975.40 = 582,548.40 : x
  2. Step 2: Convert to fraction form
    865,983.60/1,298,975.40 = 582,548.40/x
  3. Step 3: Cross multiply
    865,983.60x = 1,298,975.40 × 582,548.40
  4. Step 4: Simplify right side
    865,983.60x = 756,716,040,909.36
  5. Step 5: Solve for x
    x = 756,716,040,909.36/865,983.60
  6. Step 6: Final answer
    x = 873,822.60

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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.