Home / 1,218,177.11-1,681,064.02-674,301.26

Finding the Fourth Proportional to 1,218,177.11, 1,681,064.02 and 674,301.26

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Solution

The fourth proportional to 1,218,177.11, 1,681,064.02 and 674,301.26 is: 930,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,177.11 : 1,681,064.02 = 674,301.26 : x
  2. Step 2: Convert to fraction form
    1,218,177.11/1,681,064.02 = 674,301.26/x
  3. Step 3: Cross multiply
    1,218,177.11x = 1,681,064.02 × 674,301.26
  4. Step 4: Simplify right side
    1,218,177.11x = 1,133,543,586,826.67
  5. Step 5: Solve for x
    x = 1,133,543,586,826.67/1,218,177.11
  6. Step 6: Final answer
    x = 930,524.45

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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.