Home / 1,053,000.40-1,579,500.60-343,100.20

Finding the Fourth Proportional to 1,053,000.40, 1,579,500.60 and 343,100.20

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Solution

The fourth proportional to 1,053,000.40, 1,579,500.60 and 343,100.20 is: 514,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,000.40 : 1,579,500.60 = 343,100.20 : x
  2. Step 2: Convert to fraction form
    1,053,000.40/1,579,500.60 = 343,100.20/x
  3. Step 3: Cross multiply
    1,053,000.40x = 1,579,500.60 × 343,100.20
  4. Step 4: Simplify right side
    1,053,000.40x = 541,926,971,760.12
  5. Step 5: Solve for x
    x = 541,926,971,760.12/1,053,000.40
  6. Step 6: Final answer
    x = 514,650.30

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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.