Home / 1,752,573.80-2,417,985.06-978,078.80

Finding the Fourth Proportional to 1,752,573.80, 2,417,985.06 and 978,078.80

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Solution

The fourth proportional to 1,752,573.80, 2,417,985.06 and 978,078.80 is: 1,349,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,573.80 : 2,417,985.06 = 978,078.80 : x
  2. Step 2: Convert to fraction form
    1,752,573.80/2,417,985.06 = 978,078.80/x
  3. Step 3: Cross multiply
    1,752,573.80x = 2,417,985.06 × 978,078.80
  4. Step 4: Simplify right side
    1,752,573.80x = 2,364,979,925,902.73
  5. Step 5: Solve for x
    x = 2,364,979,925,902.73/1,752,573.80
  6. Step 6: Final answer
    x = 1,349,432.43

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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.