Home / 579,442.96-869,243.82-180,009.28

Finding the Fourth Proportional to 579,442.96, 869,243.82 and 180,009.28

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Solution

The fourth proportional to 579,442.96, 869,243.82 and 180,009.28 is: 270,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,442.96 : 869,243.82 = 180,009.28 : x
  2. Step 2: Convert to fraction form
    579,442.96/869,243.82 = 180,009.28/x
  3. Step 3: Cross multiply
    579,442.96x = 869,243.82 × 180,009.28
  4. Step 4: Simplify right side
    579,442.96x = 156,471,954,182.65
  5. Step 5: Solve for x
    x = 156,471,954,182.65/579,442.96
  6. Step 6: Final answer
    x = 270,038.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.