Home / 852,641.50-1,176,603.90-485,084.02

Finding the Fourth Proportional to 852,641.50, 1,176,603.90 and 485,084.02

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Solution

The fourth proportional to 852,641.50, 1,176,603.90 and 485,084.02 is: 669,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,641.50 : 1,176,603.90 = 485,084.02 : x
  2. Step 2: Convert to fraction form
    852,641.50/1,176,603.90 = 485,084.02/x
  3. Step 3: Cross multiply
    852,641.50x = 1,176,603.90 × 485,084.02
  4. Step 4: Simplify right side
    852,641.50x = 570,751,749,759.68
  5. Step 5: Solve for x
    x = 570,751,749,759.68/852,641.50
  6. Step 6: Final answer
    x = 669,392.41

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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.