Home / 922,631.85-1,271,342.25-680,530.95

Finding the Fourth Proportional to 922,631.85, 1,271,342.25 and 680,530.95

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Solution

The fourth proportional to 922,631.85, 1,271,342.25 and 680,530.95 is: 937,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,631.85 : 1,271,342.25 = 680,530.95 : x
  2. Step 2: Convert to fraction form
    922,631.85/1,271,342.25 = 680,530.95/x
  3. Step 3: Cross multiply
    922,631.85x = 1,271,342.25 × 680,530.95
  4. Step 4: Simplify right side
    922,631.85x = 865,187,749,167.64
  5. Step 5: Solve for x
    x = 865,187,749,167.64/922,631.85
  6. Step 6: Final answer
    x = 937,738.87

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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.