Home / 1,513,195.38-2,088,212.49-824,872.86

Finding the Fourth Proportional to 1,513,195.38, 2,088,212.49 and 824,872.86

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Solution

The fourth proportional to 1,513,195.38, 2,088,212.49 and 824,872.86 is: 1,138,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,195.38 : 2,088,212.49 = 824,872.86 : x
  2. Step 2: Convert to fraction form
    1,513,195.38/2,088,212.49 = 824,872.86/x
  3. Step 3: Cross multiply
    1,513,195.38x = 2,088,212.49 × 824,872.86
  4. Step 4: Simplify right side
    1,513,195.38x = 1,722,509,808,914.02
  5. Step 5: Solve for x
    x = 1,722,509,808,914.02/1,513,195.38
  6. Step 6: Final answer
    x = 1,138,326.11

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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.