Home / 986,532.20-1,479,798.30-514,140.20

Finding the Fourth Proportional to 986,532.20, 1,479,798.30 and 514,140.20

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Solution

The fourth proportional to 986,532.20, 1,479,798.30 and 514,140.20 is: 771,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,532.20 : 1,479,798.30 = 514,140.20 : x
  2. Step 2: Convert to fraction form
    986,532.20/1,479,798.30 = 514,140.20/x
  3. Step 3: Cross multiply
    986,532.20x = 1,479,798.30 × 514,140.20
  4. Step 4: Simplify right side
    986,532.20x = 760,823,793,921.66
  5. Step 5: Solve for x
    x = 760,823,793,921.66/986,532.20
  6. Step 6: Final answer
    x = 771,210.30

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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.