Home / 869,771.47-1,200,294.36-482,593.90

Finding the Fourth Proportional to 869,771.47, 1,200,294.36 and 482,593.90

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Solution

The fourth proportional to 869,771.47, 1,200,294.36 and 482,593.90 is: 665,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,771.47 : 1,200,294.36 = 482,593.90 : x
  2. Step 2: Convert to fraction form
    869,771.47/1,200,294.36 = 482,593.90/x
  3. Step 3: Cross multiply
    869,771.47x = 1,200,294.36 × 482,593.90
  4. Step 4: Simplify right side
    869,771.47x = 579,254,730,338.93
  5. Step 5: Solve for x
    x = 579,254,730,338.93/869,771.47
  6. Step 6: Final answer
    x = 665,984.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.