Home / 741,774.88-1,023,649.33-402,243.40

Finding the Fourth Proportional to 741,774.88, 1,023,649.33 and 402,243.40

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Solution

The fourth proportional to 741,774.88, 1,023,649.33 and 402,243.40 is: 555,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,774.88 : 1,023,649.33 = 402,243.40 : x
  2. Step 2: Convert to fraction form
    741,774.88/1,023,649.33 = 402,243.40/x
  3. Step 3: Cross multiply
    741,774.88x = 1,023,649.33 × 402,243.40
  4. Step 4: Simplify right side
    741,774.88x = 411,756,181,788.68
  5. Step 5: Solve for x
    x = 411,756,181,788.68/741,774.88
  6. Step 6: Final answer
    x = 555,095.89

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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.