Home / 1,218,171.27-1,681,091.18-674,357.34

Finding the Fourth Proportional to 1,218,171.27, 1,681,091.18 and 674,357.34

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Solution

The fourth proportional to 1,218,171.27, 1,681,091.18 and 674,357.34 is: 930,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,171.27 : 1,681,091.18 = 674,357.34 : x
  2. Step 2: Convert to fraction form
    1,218,171.27/1,681,091.18 = 674,357.34/x
  3. Step 3: Cross multiply
    1,218,171.27x = 1,681,091.18 × 674,357.34
  4. Step 4: Simplify right side
    1,218,171.27x = 1,133,656,176,442.26
  5. Step 5: Solve for x
    x = 1,133,656,176,442.26/1,218,171.27
  6. Step 6: Final answer
    x = 930,621.34

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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.