Home / 1,223,009.23-1,687,796.22-679,154.27

Finding the Fourth Proportional to 1,223,009.23, 1,687,796.22 and 679,154.27

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Solution

The fourth proportional to 1,223,009.23, 1,687,796.22 and 679,154.27 is: 937,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,009.23 : 1,687,796.22 = 679,154.27 : x
  2. Step 2: Convert to fraction form
    1,223,009.23/1,687,796.22 = 679,154.27/x
  3. Step 3: Cross multiply
    1,223,009.23x = 1,687,796.22 × 679,154.27
  4. Step 4: Simplify right side
    1,223,009.23x = 1,146,274,009,702.86
  5. Step 5: Solve for x
    x = 1,146,274,009,702.86/1,223,009.23
  6. Step 6: Final answer
    x = 937,257.04

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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.