Home / 1,057,065.28-1,458,734.33-621,531.82

Finding the Fourth Proportional to 1,057,065.28, 1,458,734.33 and 621,531.82

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Solution

The fourth proportional to 1,057,065.28, 1,458,734.33 and 621,531.82 is: 857,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,065.28 : 1,458,734.33 = 621,531.82 : x
  2. Step 2: Convert to fraction form
    1,057,065.28/1,458,734.33 = 621,531.82/x
  3. Step 3: Cross multiply
    1,057,065.28x = 1,458,734.33 × 621,531.82
  4. Step 4: Simplify right side
    1,057,065.28x = 906,649,803,021.38
  5. Step 5: Solve for x
    x = 906,649,803,021.38/1,057,065.28
  6. Step 6: Final answer
    x = 857,704.65

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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.