Home / 852,294.82-1,176,368.15-489,928.90

Finding the Fourth Proportional to 852,294.82, 1,176,368.15 and 489,928.90

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Solution

The fourth proportional to 852,294.82, 1,176,368.15 and 489,928.90 is: 676,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,294.82 : 1,176,368.15 = 489,928.90 : x
  2. Step 2: Convert to fraction form
    852,294.82/1,176,368.15 = 489,928.90/x
  3. Step 3: Cross multiply
    852,294.82x = 1,176,368.15 × 489,928.90
  4. Step 4: Simplify right side
    852,294.82x = 576,336,753,724.54
  5. Step 5: Solve for x
    x = 576,336,753,724.54/852,294.82
  6. Step 6: Final answer
    x = 676,217.60

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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.