Home / 1,100,824.56-1,651,401-390,793.14

Finding the Fourth Proportional to 1,100,824.56, 1,651,401 and 390,793.14

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Solution

The fourth proportional to 1,100,824.56, 1,651,401 and 390,793.14 is: 586,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,824.56 : 1,651,401 = 390,793.14 : x
  2. Step 2: Convert to fraction form
    1,100,824.56/1,651,401 = 390,793.14/x
  3. Step 3: Cross multiply
    1,100,824.56x = 1,651,401 × 390,793.14
  4. Step 4: Simplify right side
    1,100,824.56x = 645,356,182,189.14
  5. Step 5: Solve for x
    x = 645,356,182,189.14/1,100,824.56
  6. Step 6: Final answer
    x = 586,247.99

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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.