Home / 756,087.28-1,043,401.44-411,921.52

Finding the Fourth Proportional to 756,087.28, 1,043,401.44 and 411,921.52

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Solution

The fourth proportional to 756,087.28, 1,043,401.44 and 411,921.52 is: 568,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,087.28 : 1,043,401.44 = 411,921.52 : x
  2. Step 2: Convert to fraction form
    756,087.28/1,043,401.44 = 411,921.52/x
  3. Step 3: Cross multiply
    756,087.28x = 1,043,401.44 × 411,921.52
  4. Step 4: Simplify right side
    756,087.28x = 429,799,507,134.99
  5. Step 5: Solve for x
    x = 429,799,507,134.99/756,087.28
  6. Step 6: Final answer
    x = 568,452.24

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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.