Home / 741,400.86-1,023,133.64-401,869.11

Finding the Fourth Proportional to 741,400.86, 1,023,133.64 and 401,869.11

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Solution

The fourth proportional to 741,400.86, 1,023,133.64 and 401,869.11 is: 554,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,400.86 : 1,023,133.64 = 401,869.11 : x
  2. Step 2: Convert to fraction form
    741,400.86/1,023,133.64 = 401,869.11/x
  3. Step 3: Cross multiply
    741,400.86x = 1,023,133.64 × 401,869.11
  4. Step 4: Simplify right side
    741,400.86x = 411,165,803,308.52
  5. Step 5: Solve for x
    x = 411,165,803,308.52/741,400.86
  6. Step 6: Final answer
    x = 554,579.61

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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.