Home / 1,391,504.30-2,087,256.45-444,905.90

Finding the Fourth Proportional to 1,391,504.30, 2,087,256.45 and 444,905.90

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Solution

The fourth proportional to 1,391,504.30, 2,087,256.45 and 444,905.90 is: 667,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,504.30 : 2,087,256.45 = 444,905.90 : x
  2. Step 2: Convert to fraction form
    1,391,504.30/2,087,256.45 = 444,905.90/x
  3. Step 3: Cross multiply
    1,391,504.30x = 2,087,256.45 × 444,905.90
  4. Step 4: Simplify right side
    1,391,504.30x = 928,632,709,418.06
  5. Step 5: Solve for x
    x = 928,632,709,418.06/1,391,504.30
  6. Step 6: Final answer
    x = 667,358.85

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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.