Home / 1,348,610.43-1,861,118.91-805,061.68

Finding the Fourth Proportional to 1,348,610.43, 1,861,118.91 and 805,061.68

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Solution

The fourth proportional to 1,348,610.43, 1,861,118.91 and 805,061.68 is: 1,111,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,610.43 : 1,861,118.91 = 805,061.68 : x
  2. Step 2: Convert to fraction form
    1,348,610.43/1,861,118.91 = 805,061.68/x
  3. Step 3: Cross multiply
    1,348,610.43x = 1,861,118.91 × 805,061.68
  4. Step 4: Simplify right side
    1,348,610.43x = 1,498,315,522,180.37
  5. Step 5: Solve for x
    x = 1,498,315,522,180.37/1,348,610.43
  6. Step 6: Final answer
    x = 1,111,006.92

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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.