Home / 1,776,428.66-2,449,922.28-1,259,159.42

Finding the Fourth Proportional to 1,776,428.66, 2,449,922.28 and 1,259,159.42

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Solution

The fourth proportional to 1,776,428.66, 2,449,922.28 and 1,259,159.42 is: 1,736,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,428.66 : 2,449,922.28 = 1,259,159.42 : x
  2. Step 2: Convert to fraction form
    1,776,428.66/2,449,922.28 = 1,259,159.42/x
  3. Step 3: Cross multiply
    1,776,428.66x = 2,449,922.28 × 1,259,159.42
  4. Step 4: Simplify right side
    1,776,428.66x = 3,084,842,717,129.88
  5. Step 5: Solve for x
    x = 3,084,842,717,129.88/1,776,428.66
  6. Step 6: Final answer
    x = 1,736,541.85

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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.