Home / 867,191.65-1,196,630.85-479,945.53

Finding the Fourth Proportional to 867,191.65, 1,196,630.85 and 479,945.53

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Solution

The fourth proportional to 867,191.65, 1,196,630.85 and 479,945.53 is: 662,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,191.65 : 1,196,630.85 = 479,945.53 : x
  2. Step 2: Convert to fraction form
    867,191.65/1,196,630.85 = 479,945.53/x
  3. Step 3: Cross multiply
    867,191.65x = 1,196,630.85 × 479,945.53
  4. Step 4: Simplify right side
    867,191.65x = 574,317,627,517.60
  5. Step 5: Solve for x
    x = 574,317,627,517.60/867,191.65
  6. Step 6: Final answer
    x = 662,273.01

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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.