Home / 865,918.40-1,300,627.20-836,175.20

Finding the Fourth Proportional to 865,918.40, 1,300,627.20 and 836,175.20

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Solution

The fourth proportional to 865,918.40, 1,300,627.20 and 836,175.20 is: 1,255,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,918.40 : 1,300,627.20 = 836,175.20 : x
  2. Step 2: Convert to fraction form
    865,918.40/1,300,627.20 = 836,175.20/x
  3. Step 3: Cross multiply
    865,918.40x = 1,300,627.20 × 836,175.20
  4. Step 4: Simplify right side
    865,918.40x = 1,087,552,209,085.44
  5. Step 5: Solve for x
    x = 1,087,552,209,085.44/865,918.40
  6. Step 6: Final answer
    x = 1,255,952.30

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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.