Home / 986,534.20-1,479,801.30-514,142.20

Finding the Fourth Proportional to 986,534.20, 1,479,801.30 and 514,142.20

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Solution

The fourth proportional to 986,534.20, 1,479,801.30 and 514,142.20 is: 771,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,534.20 : 1,479,801.30 = 514,142.20 : x
  2. Step 2: Convert to fraction form
    986,534.20/1,479,801.30 = 514,142.20/x
  3. Step 3: Cross multiply
    986,534.20x = 1,479,801.30 × 514,142.20
  4. Step 4: Simplify right side
    986,534.20x = 760,828,295,944.86
  5. Step 5: Solve for x
    x = 760,828,295,944.86/986,534.20
  6. Step 6: Final answer
    x = 771,213.30

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Half scale
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Double scale
Find fourth proportional to 986,535.20, 1,479,802.80 and 514,143.20
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.