Home / 482,742.60-724,373.10-202,288.20

Finding the Fourth Proportional to 482,742.60, 724,373.10 and 202,288.20

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Solution

The fourth proportional to 482,742.60, 724,373.10 and 202,288.20 is: 303,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,742.60 : 724,373.10 = 202,288.20 : x
  2. Step 2: Convert to fraction form
    482,742.60/724,373.10 = 202,288.20/x
  3. Step 3: Cross multiply
    482,742.60x = 724,373.10 × 202,288.20
  4. Step 4: Simplify right side
    482,742.60x = 146,532,130,527.42
  5. Step 5: Solve for x
    x = 146,532,130,527.42/482,742.60
  6. Step 6: Final answer
    x = 303,540.92

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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.