Home / 1,650,688.13-2,278,081.70-915,714.93

Finding the Fourth Proportional to 1,650,688.13, 2,278,081.70 and 915,714.93

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Solution

The fourth proportional to 1,650,688.13, 2,278,081.70 and 915,714.93 is: 1,263,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,688.13 : 2,278,081.70 = 915,714.93 : x
  2. Step 2: Convert to fraction form
    1,650,688.13/2,278,081.70 = 915,714.93/x
  3. Step 3: Cross multiply
    1,650,688.13x = 2,278,081.70 × 915,714.93
  4. Step 4: Simplify right side
    1,650,688.13x = 2,086,073,419,871.21
  5. Step 5: Solve for x
    x = 2,086,073,419,871.21/1,650,688.13
  6. Step 6: Final answer
    x = 1,263,759.88

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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.