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Finding the Fourth Proportional to 1,437,291.82, 1,983,472.14 and 792,729.46

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Solution

The fourth proportional to 1,437,291.82, 1,983,472.14 and 792,729.46 is: 1,093,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,291.82 : 1,983,472.14 = 792,729.46 : x
  2. Step 2: Convert to fraction form
    1,437,291.82/1,983,472.14 = 792,729.46/x
  3. Step 3: Cross multiply
    1,437,291.82x = 1,983,472.14 × 792,729.46
  4. Step 4: Simplify right side
    1,437,291.82x = 1,572,356,798,467.24
  5. Step 5: Solve for x
    x = 1,572,356,798,467.24/1,437,291.82
  6. Step 6: Final answer
    x = 1,093,971.85

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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.