Home / 1,403,233.80-2,101,740.30-1,086,664.20

Finding the Fourth Proportional to 1,403,233.80, 2,101,740.30 and 1,086,664.20

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Solution

The fourth proportional to 1,403,233.80, 2,101,740.30 and 1,086,664.20 is: 1,627,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,233.80 : 2,101,740.30 = 1,086,664.20 : x
  2. Step 2: Convert to fraction form
    1,403,233.80/2,101,740.30 = 1,086,664.20/x
  3. Step 3: Cross multiply
    1,403,233.80x = 2,101,740.30 × 1,086,664.20
  4. Step 4: Simplify right side
    1,403,233.80x = 2,283,885,941,707.26
  5. Step 5: Solve for x
    x = 2,283,885,941,707.26/1,403,233.80
  6. Step 6: Final answer
    x = 1,627,587.61

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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.