Home / 795,638.17-1,098,004.38-489,890.95

Finding the Fourth Proportional to 795,638.17, 1,098,004.38 and 489,890.95

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Solution

The fourth proportional to 795,638.17, 1,098,004.38 and 489,890.95 is: 676,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,638.17 : 1,098,004.38 = 489,890.95 : x
  2. Step 2: Convert to fraction form
    795,638.17/1,098,004.38 = 489,890.95/x
  3. Step 3: Cross multiply
    795,638.17x = 1,098,004.38 × 489,890.95
  4. Step 4: Simplify right side
    795,638.17x = 537,902,413,172.17
  5. Step 5: Solve for x
    x = 537,902,413,172.17/795,638.17
  6. Step 6: Final answer
    x = 676,064.11

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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.