Home / 852,206.14-1,176,005.13-489,374.74

Finding the Fourth Proportional to 852,206.14, 1,176,005.13 and 489,374.74

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Solution

The fourth proportional to 852,206.14, 1,176,005.13 and 489,374.74 is: 675,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,206.14 : 1,176,005.13 = 489,374.74 : x
  2. Step 2: Convert to fraction form
    852,206.14/1,176,005.13 = 489,374.74/x
  3. Step 3: Cross multiply
    852,206.14x = 1,176,005.13 × 489,374.74
  4. Step 4: Simplify right side
    852,206.14x = 575,507,204,732.42
  5. Step 5: Solve for x
    x = 575,507,204,732.42/852,206.14
  6. Step 6: Final answer
    x = 675,314.55

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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.