Home / 1,432,110.93-1,976,327.21-787,535.61

Finding the Fourth Proportional to 1,432,110.93, 1,976,327.21 and 787,535.61

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Solution

The fourth proportional to 1,432,110.93, 1,976,327.21 and 787,535.61 is: 1,086,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,110.93 : 1,976,327.21 = 787,535.61 : x
  2. Step 2: Convert to fraction form
    1,432,110.93/1,976,327.21 = 787,535.61/x
  3. Step 3: Cross multiply
    1,432,110.93x = 1,976,327.21 × 787,535.61
  4. Step 4: Simplify right side
    1,432,110.93x = 1,556,428,054,886.95
  5. Step 5: Solve for x
    x = 1,556,428,054,886.95/1,432,110.93
  6. Step 6: Final answer
    x = 1,086,806.91

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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.