Home / 1,141,686.38-1,575,579.12-632,388.72

Finding the Fourth Proportional to 1,141,686.38, 1,575,579.12 and 632,388.72

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Solution

The fourth proportional to 1,141,686.38, 1,575,579.12 and 632,388.72 is: 872,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,686.38 : 1,575,579.12 = 632,388.72 : x
  2. Step 2: Convert to fraction form
    1,141,686.38/1,575,579.12 = 632,388.72/x
  3. Step 3: Cross multiply
    1,141,686.38x = 1,575,579.12 × 632,388.72
  4. Step 4: Simplify right side
    1,141,686.38x = 996,378,462,955.53
  5. Step 5: Solve for x
    x = 996,378,462,955.53/1,141,686.38
  6. Step 6: Final answer
    x = 872,725.19

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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.