Home / 674,340.53-1,011,656.60-358,751.57

Finding the Fourth Proportional to 674,340.53, 1,011,656.60 and 358,751.57

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Solution

The fourth proportional to 674,340.53, 1,011,656.60 and 358,751.57 is: 538,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,340.53 : 1,011,656.60 = 358,751.57 : x
  2. Step 2: Convert to fraction form
    674,340.53/1,011,656.60 = 358,751.57/x
  3. Step 3: Cross multiply
    674,340.53x = 1,011,656.60 × 358,751.57
  4. Step 4: Simplify right side
    674,340.53x = 362,933,391,757.10
  5. Step 5: Solve for x
    x = 362,933,391,757.10/674,340.53
  6. Step 6: Final answer
    x = 538,204.92

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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.