Home / 1,241,333.20-1,861,996.24-330,515.60

Finding the Fourth Proportional to 1,241,333.20, 1,861,996.24 and 330,515.60

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Solution

The fourth proportional to 1,241,333.20, 1,861,996.24 and 330,515.60 is: 495,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,333.20 : 1,861,996.24 = 330,515.60 : x
  2. Step 2: Convert to fraction form
    1,241,333.20/1,861,996.24 = 330,515.60/x
  3. Step 3: Cross multiply
    1,241,333.20x = 1,861,996.24 × 330,515.60
  4. Step 4: Simplify right side
    1,241,333.20x = 615,418,804,461.34
  5. Step 5: Solve for x
    x = 615,418,804,461.34/1,241,333.20
  6. Step 6: Final answer
    x = 495,772.45

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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.