Home / 915,352.29-1,263,252.69-552,864.33

Finding the Fourth Proportional to 915,352.29, 1,263,252.69 and 552,864.33

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Solution

The fourth proportional to 915,352.29, 1,263,252.69 and 552,864.33 is: 762,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,352.29 : 1,263,252.69 = 552,864.33 : x
  2. Step 2: Convert to fraction form
    915,352.29/1,263,252.69 = 552,864.33/x
  3. Step 3: Cross multiply
    915,352.29x = 1,263,252.69 × 552,864.33
  4. Step 4: Simplify right side
    915,352.29x = 698,407,352,077.55
  5. Step 5: Solve for x
    x = 698,407,352,077.55/915,352.29
  6. Step 6: Final answer
    x = 762,992.96

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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.