Home / 482,867.40-724,301.10-145,960.05

Finding the Fourth Proportional to 482,867.40, 724,301.10 and 145,960.05

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Solution

The fourth proportional to 482,867.40, 724,301.10 and 145,960.05 is: 218,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,867.40 : 724,301.10 = 145,960.05 : x
  2. Step 2: Convert to fraction form
    482,867.40/724,301.10 = 145,960.05/x
  3. Step 3: Cross multiply
    482,867.40x = 724,301.10 × 145,960.05
  4. Step 4: Simplify right side
    482,867.40x = 105,719,024,771.06
  5. Step 5: Solve for x
    x = 105,719,024,771.06/482,867.40
  6. Step 6: Final answer
    x = 218,940.08

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Double scale
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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.