Home / 853,084.16-1,177,224-465,886.72

Finding the Fourth Proportional to 853,084.16, 1,177,224 and 465,886.72

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Solution

The fourth proportional to 853,084.16, 1,177,224 and 465,886.72 is: 642,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,084.16 : 1,177,224 = 465,886.72 : x
  2. Step 2: Convert to fraction form
    853,084.16/1,177,224 = 465,886.72/x
  3. Step 3: Cross multiply
    853,084.16x = 1,177,224 × 465,886.72
  4. Step 4: Simplify right side
    853,084.16x = 548,453,028,065.28
  5. Step 5: Solve for x
    x = 548,453,028,065.28/853,084.16
  6. Step 6: Final answer
    x = 642,906.12

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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.