Home / 841,204.20-1,261,806.30-486,910.20

Finding the Fourth Proportional to 841,204.20, 1,261,806.30 and 486,910.20

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Solution

The fourth proportional to 841,204.20, 1,261,806.30 and 486,910.20 is: 730,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,204.20 : 1,261,806.30 = 486,910.20 : x
  2. Step 2: Convert to fraction form
    841,204.20/1,261,806.30 = 486,910.20/x
  3. Step 3: Cross multiply
    841,204.20x = 1,261,806.30 × 486,910.20
  4. Step 4: Simplify right side
    841,204.20x = 614,386,357,894.26
  5. Step 5: Solve for x
    x = 614,386,357,894.26/841,204.20
  6. Step 6: Final answer
    x = 730,365.30

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Double scale
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Similar ratio
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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.