Home / 769,542.72-1,061,966.34-430,010.97

Finding the Fourth Proportional to 769,542.72, 1,061,966.34 and 430,010.97

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Solution

The fourth proportional to 769,542.72, 1,061,966.34 and 430,010.97 is: 593,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,542.72 : 1,061,966.34 = 430,010.97 : x
  2. Step 2: Convert to fraction form
    769,542.72/1,061,966.34 = 430,010.97/x
  3. Step 3: Cross multiply
    769,542.72x = 1,061,966.34 × 430,010.97
  4. Step 4: Simplify right side
    769,542.72x = 456,657,175,970.75
  5. Step 5: Solve for x
    x = 456,657,175,970.75/769,542.72
  6. Step 6: Final answer
    x = 593,413.68

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1.5x scale

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.