Home / 529,623.40-794,435.10-486,077.80

Finding the Fourth Proportional to 529,623.40, 794,435.10 and 486,077.80

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Solution

The fourth proportional to 529,623.40, 794,435.10 and 486,077.80 is: 729,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,623.40 : 794,435.10 = 486,077.80 : x
  2. Step 2: Convert to fraction form
    529,623.40/794,435.10 = 486,077.80/x
  3. Step 3: Cross multiply
    529,623.40x = 794,435.10 × 486,077.80
  4. Step 4: Simplify right side
    529,623.40x = 386,157,265,650.78
  5. Step 5: Solve for x
    x = 386,157,265,650.78/529,623.40
  6. Step 6: Final answer
    x = 729,116.70

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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.