Home / 778,269.89-1,073,966.17-451,557.59

Finding the Fourth Proportional to 778,269.89, 1,073,966.17 and 451,557.59

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Solution

The fourth proportional to 778,269.89, 1,073,966.17 and 451,557.59 is: 623,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,269.89 : 1,073,966.17 = 451,557.59 : x
  2. Step 2: Convert to fraction form
    778,269.89/1,073,966.17 = 451,557.59/x
  3. Step 3: Cross multiply
    778,269.89x = 1,073,966.17 × 451,557.59
  4. Step 4: Simplify right side
    778,269.89x = 484,957,575,466.73
  5. Step 5: Solve for x
    x = 484,957,575,466.73/778,269.89
  6. Step 6: Final answer
    x = 623,122.62

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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.