Home / 1,222,928.54-1,687,797.07-739,497.14

Finding the Fourth Proportional to 1,222,928.54, 1,687,797.07 and 739,497.14

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Solution

The fourth proportional to 1,222,928.54, 1,687,797.07 and 739,497.14 is: 1,020,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,928.54 : 1,687,797.07 = 739,497.14 : x
  2. Step 2: Convert to fraction form
    1,222,928.54/1,687,797.07 = 739,497.14/x
  3. Step 3: Cross multiply
    1,222,928.54x = 1,687,797.07 × 739,497.14
  4. Step 4: Simplify right side
    1,222,928.54x = 1,248,121,109,779.91
  5. Step 5: Solve for x
    x = 1,248,121,109,779.91/1,222,928.54
  6. Step 6: Final answer
    x = 1,020,600.20

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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.