Home / 898,292.50-1,239,644.73-495,884.50

Finding the Fourth Proportional to 898,292.50, 1,239,644.73 and 495,884.50

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Solution

The fourth proportional to 898,292.50, 1,239,644.73 and 495,884.50 is: 684,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,292.50 : 1,239,644.73 = 495,884.50 : x
  2. Step 2: Convert to fraction form
    898,292.50/1,239,644.73 = 495,884.50/x
  3. Step 3: Cross multiply
    898,292.50x = 1,239,644.73 × 495,884.50
  4. Step 4: Simplify right side
    898,292.50x = 614,720,607,113.69
  5. Step 5: Solve for x
    x = 614,720,607,113.69/898,292.50
  6. Step 6: Final answer
    x = 684,321.21

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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.