Home / 741,418.32-1,023,158.61-401,887.38

Finding the Fourth Proportional to 741,418.32, 1,023,158.61 and 401,887.38

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Solution

The fourth proportional to 741,418.32, 1,023,158.61 and 401,887.38 is: 554,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,418.32 : 1,023,158.61 = 401,887.38 : x
  2. Step 2: Convert to fraction form
    741,418.32/1,023,158.61 = 401,887.38/x
  3. Step 3: Cross multiply
    741,418.32x = 1,023,158.61 × 401,887.38
  4. Step 4: Simplify right side
    741,418.32x = 411,194,533,097.34
  5. Step 5: Solve for x
    x = 411,194,533,097.34/741,418.32
  6. Step 6: Final answer
    x = 554,605.30

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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.