Home / 1,941,320.64-2,678,233.37-1,288,254.63

Finding the Fourth Proportional to 1,941,320.64, 2,678,233.37 and 1,288,254.63

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Solution

The fourth proportional to 1,941,320.64, 2,678,233.37 and 1,288,254.63 is: 1,777,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,320.64 : 2,678,233.37 = 1,288,254.63 : x
  2. Step 2: Convert to fraction form
    1,941,320.64/2,678,233.37 = 1,288,254.63/x
  3. Step 3: Cross multiply
    1,941,320.64x = 2,678,233.37 × 1,288,254.63
  4. Step 4: Simplify right side
    1,941,320.64x = 3,450,246,532,681.73
  5. Step 5: Solve for x
    x = 3,450,246,532,681.73/1,941,320.64
  6. Step 6: Final answer
    x = 1,777,267.73

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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.