Home / 646,776.73-886,088.39-622,534.87

Finding the Fourth Proportional to 646,776.73, 886,088.39 and 622,534.87

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Solution

The fourth proportional to 646,776.73, 886,088.39 and 622,534.87 is: 852,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,776.73 : 886,088.39 = 622,534.87 : x
  2. Step 2: Convert to fraction form
    646,776.73/886,088.39 = 622,534.87/x
  3. Step 3: Cross multiply
    646,776.73x = 886,088.39 × 622,534.87
  4. Step 4: Simplify right side
    646,776.73x = 551,620,920,677.16
  5. Step 5: Solve for x
    x = 551,620,920,677.16/646,776.73
  6. Step 6: Final answer
    x = 852,876.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.