Home / 792,000.20-1,186,445.10-540,057.80

Finding the Fourth Proportional to 792,000.20, 1,186,445.10 and 540,057.80

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Solution

The fourth proportional to 792,000.20, 1,186,445.10 and 540,057.80 is: 809,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,000.20 : 1,186,445.10 = 540,057.80 : x
  2. Step 2: Convert to fraction form
    792,000.20/1,186,445.10 = 540,057.80/x
  3. Step 3: Cross multiply
    792,000.20x = 1,186,445.10 × 540,057.80
  4. Step 4: Simplify right side
    792,000.20x = 640,748,930,526.78
  5. Step 5: Solve for x
    x = 640,748,930,526.78/792,000.20
  6. Step 6: Final answer
    x = 809,026.22

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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.