Home / 400,945.03-553,094.19-247,934.41

Finding the Fourth Proportional to 400,945.03, 553,094.19 and 247,934.41

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Solution

The fourth proportional to 400,945.03, 553,094.19 and 247,934.41 is: 342,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,945.03 : 553,094.19 = 247,934.41 : x
  2. Step 2: Convert to fraction form
    400,945.03/553,094.19 = 247,934.41/x
  3. Step 3: Cross multiply
    400,945.03x = 553,094.19 × 247,934.41
  4. Step 4: Simplify right side
    400,945.03x = 137,131,081,672.08
  5. Step 5: Solve for x
    x = 137,131,081,672.08/400,945.03
  6. Step 6: Final answer
    x = 342,019.66

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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.