Home / 986,528.20-1,479,792.30-514,136.20

Finding the Fourth Proportional to 986,528.20, 1,479,792.30 and 514,136.20

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Solution

The fourth proportional to 986,528.20, 1,479,792.30 and 514,136.20 is: 771,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,528.20 : 1,479,792.30 = 514,136.20 : x
  2. Step 2: Convert to fraction form
    986,528.20/1,479,792.30 = 514,136.20/x
  3. Step 3: Cross multiply
    986,528.20x = 1,479,792.30 × 514,136.20
  4. Step 4: Simplify right side
    986,528.20x = 760,814,789,911.26
  5. Step 5: Solve for x
    x = 760,814,789,911.26/986,528.20
  6. Step 6: Final answer
    x = 771,204.30

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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.