Home / 852,205.14-1,176,003.75-489,373.74

Finding the Fourth Proportional to 852,205.14, 1,176,003.75 and 489,373.74

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Solution

The fourth proportional to 852,205.14, 1,176,003.75 and 489,373.74 is: 675,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,205.14 : 1,176,003.75 = 489,373.74 : x
  2. Step 2: Convert to fraction form
    852,205.14/1,176,003.75 = 489,373.74/x
  3. Step 3: Cross multiply
    852,205.14x = 1,176,003.75 × 489,373.74
  4. Step 4: Simplify right side
    852,205.14x = 575,505,353,391.53
  5. Step 5: Solve for x
    x = 575,505,353,391.53/852,205.14
  6. Step 6: Final answer
    x = 675,313.17

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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.