Home / 1,034,139.39-1,551,209.54-324,222.78

Finding the Fourth Proportional to 1,034,139.39, 1,551,209.54 and 324,222.78

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Solution

The fourth proportional to 1,034,139.39, 1,551,209.54 and 324,222.78 is: 486,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,139.39 : 1,551,209.54 = 324,222.78 : x
  2. Step 2: Convert to fraction form
    1,034,139.39/1,551,209.54 = 324,222.78/x
  3. Step 3: Cross multiply
    1,034,139.39x = 1,551,209.54 × 324,222.78
  4. Step 4: Simplify right side
    1,034,139.39x = 502,937,473,617.24
  5. Step 5: Solve for x
    x = 502,937,473,617.24/1,034,139.39
  6. Step 6: Final answer
    x = 486,334.32

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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.