Home / 1,679,585.40-2,519,378.10-1,655,998.20

Finding the Fourth Proportional to 1,679,585.40, 2,519,378.10 and 1,655,998.20

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Solution

The fourth proportional to 1,679,585.40, 2,519,378.10 and 1,655,998.20 is: 2,483,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,585.40 : 2,519,378.10 = 1,655,998.20 : x
  2. Step 2: Convert to fraction form
    1,679,585.40/2,519,378.10 = 1,655,998.20/x
  3. Step 3: Cross multiply
    1,679,585.40x = 2,519,378.10 × 1,655,998.20
  4. Step 4: Simplify right side
    1,679,585.40x = 4,172,085,598,719.42
  5. Step 5: Solve for x
    x = 4,172,085,598,719.42/1,679,585.40
  6. Step 6: Final answer
    x = 2,483,997.30

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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.