Home / 545,200.20-752,363.78-341,363.50

Finding the Fourth Proportional to 545,200.20, 752,363.78 and 341,363.50

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Solution

The fourth proportional to 545,200.20, 752,363.78 and 341,363.50 is: 471,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,200.20 : 752,363.78 = 341,363.50 : x
  2. Step 2: Convert to fraction form
    545,200.20/752,363.78 = 341,363.50/x
  3. Step 3: Cross multiply
    545,200.20x = 752,363.78 × 341,363.50
  4. Step 4: Simplify right side
    545,200.20x = 256,829,531,546.47
  5. Step 5: Solve for x
    x = 256,829,531,546.47/545,200.20
  6. Step 6: Final answer
    x = 471,073.80

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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.