Home / 1,786,853.92-2,680,781.10-722,643.28

Finding the Fourth Proportional to 1,786,853.92, 2,680,781.10 and 722,643.28

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Solution

The fourth proportional to 1,786,853.92, 2,680,781.10 and 722,643.28 is: 1,084,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,853.92 : 2,680,781.10 = 722,643.28 : x
  2. Step 2: Convert to fraction form
    1,786,853.92/2,680,781.10 = 722,643.28/x
  3. Step 3: Cross multiply
    1,786,853.92x = 2,680,781.10 × 722,643.28
  4. Step 4: Simplify right side
    1,786,853.92x = 1,937,248,447,066.01
  5. Step 5: Solve for x
    x = 1,937,248,447,066.01/1,786,853.92
  6. Step 6: Final answer
    x = 1,084,167.22

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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.