Home / 1,585,864.71-2,188,514.30-860,721.12

Finding the Fourth Proportional to 1,585,864.71, 2,188,514.30 and 860,721.12

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Solution

The fourth proportional to 1,585,864.71, 2,188,514.30 and 860,721.12 is: 1,187,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,864.71 : 2,188,514.30 = 860,721.12 : x
  2. Step 2: Convert to fraction form
    1,585,864.71/2,188,514.30 = 860,721.12/x
  3. Step 3: Cross multiply
    1,585,864.71x = 2,188,514.30 × 860,721.12
  4. Step 4: Simplify right side
    1,585,864.71x = 1,883,700,475,128.41
  5. Step 5: Solve for x
    x = 1,883,700,475,128.41/1,585,864.71
  6. Step 6: Final answer
    x = 1,187,806.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.