Home / 1,521,146.40-2,099,206.92-832,806.80

Finding the Fourth Proportional to 1,521,146.40, 2,099,206.92 and 832,806.80

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Solution

The fourth proportional to 1,521,146.40, 2,099,206.92 and 832,806.80 is: 1,149,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,146.40 : 2,099,206.92 = 832,806.80 : x
  2. Step 2: Convert to fraction form
    1,521,146.40/2,099,206.92 = 832,806.80/x
  3. Step 3: Cross multiply
    1,521,146.40x = 2,099,206.92 × 832,806.80
  4. Step 4: Simplify right side
    1,521,146.40x = 1,748,233,797,583.06
  5. Step 5: Solve for x
    x = 1,748,233,797,583.06/1,521,146.40
  6. Step 6: Final answer
    x = 1,149,287.01

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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.