Home / 1,449,719.40-2,000,617.47-805,139.55

Finding the Fourth Proportional to 1,449,719.40, 2,000,617.47 and 805,139.55

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Solution

The fourth proportional to 1,449,719.40, 2,000,617.47 and 805,139.55 is: 1,111,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,719.40 : 2,000,617.47 = 805,139.55 : x
  2. Step 2: Convert to fraction form
    1,449,719.40/2,000,617.47 = 805,139.55/x
  3. Step 3: Cross multiply
    1,449,719.40x = 2,000,617.47 × 805,139.55
  4. Step 4: Simplify right side
    1,449,719.40x = 1,610,776,249,517.94
  5. Step 5: Solve for x
    x = 1,610,776,249,517.94/1,449,719.40
  6. Step 6: Final answer
    x = 1,111,095.19

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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.