Home / 883,211.28-1,218,828.11-495,972.96

Finding the Fourth Proportional to 883,211.28, 1,218,828.11 and 495,972.96

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Solution

The fourth proportional to 883,211.28, 1,218,828.11 and 495,972.96 is: 684,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,211.28 : 1,218,828.11 = 495,972.96 : x
  2. Step 2: Convert to fraction form
    883,211.28/1,218,828.11 = 495,972.96/x
  3. Step 3: Cross multiply
    883,211.28x = 1,218,828.11 × 495,972.96
  4. Step 4: Simplify right side
    883,211.28x = 604,505,782,968.04
  5. Step 5: Solve for x
    x = 604,505,782,968.04/883,211.28
  6. Step 6: Final answer
    x = 684,440.74

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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.