Home / 936,755.20-1,292,376.36-614,644.12

Finding the Fourth Proportional to 936,755.20, 1,292,376.36 and 614,644.12

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Solution

The fourth proportional to 936,755.20, 1,292,376.36 and 614,644.12 is: 847,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,755.20 : 1,292,376.36 = 614,644.12 : x
  2. Step 2: Convert to fraction form
    936,755.20/1,292,376.36 = 614,644.12/x
  3. Step 3: Cross multiply
    936,755.20x = 1,292,376.36 × 614,644.12
  4. Step 4: Simplify right side
    936,755.20x = 794,351,530,501.00
  5. Step 5: Solve for x
    x = 794,351,530,501.00/936,755.20
  6. Step 6: Final answer
    x = 847,981.98

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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.