Home / 795,658.70-1,098,032.78-489,911.50

Finding the Fourth Proportional to 795,658.70, 1,098,032.78 and 489,911.50

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Solution

The fourth proportional to 795,658.70, 1,098,032.78 and 489,911.50 is: 676,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,658.70 : 1,098,032.78 = 489,911.50 : x
  2. Step 2: Convert to fraction form
    795,658.70/1,098,032.78 = 489,911.50/x
  3. Step 3: Cross multiply
    795,658.70x = 1,098,032.78 × 489,911.50
  4. Step 4: Simplify right side
    795,658.70x = 537,938,886,298.97
  5. Step 5: Solve for x
    x = 537,938,886,298.97/795,658.70
  6. Step 6: Final answer
    x = 676,092.51

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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.