Home / 1,055,309.31-1,579,180.05-913,641.84

Finding the Fourth Proportional to 1,055,309.31, 1,579,180.05 and 913,641.84

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Solution

The fourth proportional to 1,055,309.31, 1,579,180.05 and 913,641.84 is: 1,367,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,309.31 : 1,579,180.05 = 913,641.84 : x
  2. Step 2: Convert to fraction form
    1,055,309.31/1,579,180.05 = 913,641.84/x
  3. Step 3: Cross multiply
    1,055,309.31x = 1,579,180.05 × 913,641.84
  4. Step 4: Simplify right side
    1,055,309.31x = 1,442,804,966,573.29
  5. Step 5: Solve for x
    x = 1,442,804,966,573.29/1,055,309.31
  6. Step 6: Final answer
    x = 1,367,186.81

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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.