Home / 1,558,686.56-2,338,703.38-838,186.14

Finding the Fourth Proportional to 1,558,686.56, 2,338,703.38 and 838,186.14

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Solution

The fourth proportional to 1,558,686.56, 2,338,703.38 and 838,186.14 is: 1,257,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,686.56 : 2,338,703.38 = 838,186.14 : x
  2. Step 2: Convert to fraction form
    1,558,686.56/2,338,703.38 = 838,186.14/x
  3. Step 3: Cross multiply
    1,558,686.56x = 2,338,703.38 × 838,186.14
  4. Step 4: Simplify right side
    1,558,686.56x = 1,960,268,758,687.15
  5. Step 5: Solve for x
    x = 1,960,268,758,687.15/1,558,686.56
  6. Step 6: Final answer
    x = 1,257,641.41

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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.