Home / 836,890.62-1,154,962.74-469,402.26

Finding the Fourth Proportional to 836,890.62, 1,154,962.74 and 469,402.26

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Solution

The fourth proportional to 836,890.62, 1,154,962.74 and 469,402.26 is: 647,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,890.62 : 1,154,962.74 = 469,402.26 : x
  2. Step 2: Convert to fraction form
    836,890.62/1,154,962.74 = 469,402.26/x
  3. Step 3: Cross multiply
    836,890.62x = 1,154,962.74 × 469,402.26
  4. Step 4: Simplify right side
    836,890.62x = 542,142,120,371.79
  5. Step 5: Solve for x
    x = 542,142,120,371.79/836,890.62
  6. Step 6: Final answer
    x = 647,805.23

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1.5x scale

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.