Home / 861,681.20-1,293,904.20-582,436.40

Finding the Fourth Proportional to 861,681.20, 1,293,904.20 and 582,436.40

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Solution

The fourth proportional to 861,681.20, 1,293,904.20 and 582,436.40 is: 874,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,681.20 : 1,293,904.20 = 582,436.40 : x
  2. Step 2: Convert to fraction form
    861,681.20/1,293,904.20 = 582,436.40/x
  3. Step 3: Cross multiply
    861,681.20x = 1,293,904.20 × 582,436.40
  4. Step 4: Simplify right side
    861,681.20x = 753,616,904,192.88
  5. Step 5: Solve for x
    x = 753,616,904,192.88/861,681.20
  6. Step 6: Final answer
    x = 874,589.01

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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.