Home / 498,738.27-688,263.20-283,892.16

Finding the Fourth Proportional to 498,738.27, 688,263.20 and 283,892.16

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Solution

The fourth proportional to 498,738.27, 688,263.20 and 283,892.16 is: 391,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,738.27 : 688,263.20 = 283,892.16 : x
  2. Step 2: Convert to fraction form
    498,738.27/688,263.20 = 283,892.16/x
  3. Step 3: Cross multiply
    498,738.27x = 688,263.20 × 283,892.16
  4. Step 4: Simplify right side
    498,738.27x = 195,392,525,077.05
  5. Step 5: Solve for x
    x = 195,392,525,077.05/498,738.27
  6. Step 6: Final answer
    x = 391,773.68

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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.