Home / 794,343.60-1,191,515.40-542,401.20

Finding the Fourth Proportional to 794,343.60, 1,191,515.40 and 542,401.20

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Solution

The fourth proportional to 794,343.60, 1,191,515.40 and 542,401.20 is: 813,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,343.60 : 1,191,515.40 = 542,401.20 : x
  2. Step 2: Convert to fraction form
    794,343.60/1,191,515.40 = 542,401.20/x
  3. Step 3: Cross multiply
    794,343.60x = 1,191,515.40 × 542,401.20
  4. Step 4: Simplify right side
    794,343.60x = 646,279,382,778.48
  5. Step 5: Solve for x
    x = 646,279,382,778.48/794,343.60
  6. Step 6: Final answer
    x = 813,601.80

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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.