Home / 1,617,059.10-2,425,595.85-418,896.30

Finding the Fourth Proportional to 1,617,059.10, 2,425,595.85 and 418,896.30

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Solution

The fourth proportional to 1,617,059.10, 2,425,595.85 and 418,896.30 is: 628,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,059.10 : 2,425,595.85 = 418,896.30 : x
  2. Step 2: Convert to fraction form
    1,617,059.10/2,425,595.85 = 418,896.30/x
  3. Step 3: Cross multiply
    1,617,059.10x = 2,425,595.85 × 418,896.30
  4. Step 4: Simplify right side
    1,617,059.10x = 1,016,073,126,860.36
  5. Step 5: Solve for x
    x = 1,016,073,126,860.36/1,617,059.10
  6. Step 6: Final answer
    x = 628,346.32

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Double scale
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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.