Home / 942,081.68-1,412,780.68-515,934.16

Finding the Fourth Proportional to 942,081.68, 1,412,780.68 and 515,934.16

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Solution

The fourth proportional to 942,081.68, 1,412,780.68 and 515,934.16 is: 773,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,081.68 : 1,412,780.68 = 515,934.16 : x
  2. Step 2: Convert to fraction form
    942,081.68/1,412,780.68 = 515,934.16/x
  3. Step 3: Cross multiply
    942,081.68x = 1,412,780.68 × 515,934.16
  4. Step 4: Simplify right side
    942,081.68x = 728,901,813,400.03
  5. Step 5: Solve for x
    x = 728,901,813,400.03/942,081.68
  6. Step 6: Final answer
    x = 773,714.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.