Home / 986,537.20-1,479,805.80-514,145.20

Finding the Fourth Proportional to 986,537.20, 1,479,805.80 and 514,145.20

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Solution

The fourth proportional to 986,537.20, 1,479,805.80 and 514,145.20 is: 771,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,537.20 : 1,479,805.80 = 514,145.20 : x
  2. Step 2: Convert to fraction form
    986,537.20/1,479,805.80 = 514,145.20/x
  3. Step 3: Cross multiply
    986,537.20x = 1,479,805.80 × 514,145.20
  4. Step 4: Simplify right side
    986,537.20x = 760,835,049,002.16
  5. Step 5: Solve for x
    x = 760,835,049,002.16/986,537.20
  6. Step 6: Final answer
    x = 771,217.80

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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.