Home / 852,134.63-1,175,983.34-489,672.18

Finding the Fourth Proportional to 852,134.63, 1,175,983.34 and 489,672.18

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Solution

The fourth proportional to 852,134.63, 1,175,983.34 and 489,672.18 is: 675,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,134.63 : 1,175,983.34 = 489,672.18 : x
  2. Step 2: Convert to fraction form
    852,134.63/1,175,983.34 = 489,672.18/x
  3. Step 3: Cross multiply
    852,134.63x = 1,175,983.34 × 489,672.18
  4. Step 4: Simplify right side
    852,134.63x = 575,846,323,293.12
  5. Step 5: Solve for x
    x = 575,846,323,293.12/852,134.63
  6. Step 6: Final answer
    x = 675,769.19

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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.