Home / 832,384.20-1,248,576.30-412,480.20

Finding the Fourth Proportional to 832,384.20, 1,248,576.30 and 412,480.20

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Solution

The fourth proportional to 832,384.20, 1,248,576.30 and 412,480.20 is: 618,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,384.20 : 1,248,576.30 = 412,480.20 : x
  2. Step 2: Convert to fraction form
    832,384.20/1,248,576.30 = 412,480.20/x
  3. Step 3: Cross multiply
    832,384.20x = 1,248,576.30 × 412,480.20
  4. Step 4: Simplify right side
    832,384.20x = 515,013,001,939.26
  5. Step 5: Solve for x
    x = 515,013,001,939.26/832,384.20
  6. Step 6: Final answer
    x = 618,720.30

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Half scale
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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.