Home / 1,218,559.58-1,681,082.80-734,855.93

Finding the Fourth Proportional to 1,218,559.58, 1,681,082.80 and 734,855.93

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Solution

The fourth proportional to 1,218,559.58, 1,681,082.80 and 734,855.93 is: 1,013,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,559.58 : 1,681,082.80 = 734,855.93 : x
  2. Step 2: Convert to fraction form
    1,218,559.58/1,681,082.80 = 734,855.93/x
  3. Step 3: Cross multiply
    1,218,559.58x = 1,681,082.80 × 734,855.93
  4. Step 4: Simplify right side
    1,218,559.58x = 1,235,353,664,401.00
  5. Step 5: Solve for x
    x = 1,235,353,664,401.00/1,218,559.58
  6. Step 6: Final answer
    x = 1,013,781.91

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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.