Home / 767,747.16-1,059,830.80-495,947.54

Finding the Fourth Proportional to 767,747.16, 1,059,830.80 and 495,947.54

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Solution

The fourth proportional to 767,747.16, 1,059,830.80 and 495,947.54 is: 684,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,747.16 : 1,059,830.80 = 495,947.54 : x
  2. Step 2: Convert to fraction form
    767,747.16/1,059,830.80 = 495,947.54/x
  3. Step 3: Cross multiply
    767,747.16x = 1,059,830.80 × 495,947.54
  4. Step 4: Simplify right side
    767,747.16x = 525,620,479,485.94
  5. Step 5: Solve for x
    x = 525,620,479,485.94/767,747.16
  6. Step 6: Final answer
    x = 684,627.06

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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.