Home / 753,677.04-1,040,122.84-431,491.44

Finding the Fourth Proportional to 753,677.04, 1,040,122.84 and 431,491.44

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Solution

The fourth proportional to 753,677.04, 1,040,122.84 and 431,491.44 is: 595,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,677.04 : 1,040,122.84 = 431,491.44 : x
  2. Step 2: Convert to fraction form
    753,677.04/1,040,122.84 = 431,491.44/x
  3. Step 3: Cross multiply
    753,677.04x = 1,040,122.84 × 431,491.44
  4. Step 4: Simplify right side
    753,677.04x = 448,804,102,008.49
  5. Step 5: Solve for x
    x = 448,804,102,008.49/753,677.04
  6. Step 6: Final answer
    x = 595,485.97

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Double scale
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1.5x scale

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.