Home / 1,192,140.93-1,645,197.75-682,941.72

Finding the Fourth Proportional to 1,192,140.93, 1,645,197.75 and 682,941.72

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Solution

The fourth proportional to 1,192,140.93, 1,645,197.75 and 682,941.72 is: 942,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,140.93 : 1,645,197.75 = 682,941.72 : x
  2. Step 2: Convert to fraction form
    1,192,140.93/1,645,197.75 = 682,941.72/x
  3. Step 3: Cross multiply
    1,192,140.93x = 1,645,197.75 × 682,941.72
  4. Step 4: Simplify right side
    1,192,140.93x = 1,123,574,181,125.13
  5. Step 5: Solve for x
    x = 1,123,574,181,125.13/1,192,140.93
  6. Step 6: Final answer
    x = 942,484.36

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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.