Home / 920,338.38-1,270,119.24-552,927.90

Finding the Fourth Proportional to 920,338.38, 1,270,119.24 and 552,927.90

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Solution

The fourth proportional to 920,338.38, 1,270,119.24 and 552,927.90 is: 763,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,338.38 : 1,270,119.24 = 552,927.90 : x
  2. Step 2: Convert to fraction form
    920,338.38/1,270,119.24 = 552,927.90/x
  3. Step 3: Cross multiply
    920,338.38x = 1,270,119.24 × 552,927.90
  4. Step 4: Simplify right side
    920,338.38x = 702,284,364,122.80
  5. Step 5: Solve for x
    x = 702,284,364,122.80/920,338.38
  6. Step 6: Final answer
    x = 763,071.91

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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.