Home / 915,577.56-1,263,244.01-528,366.38

Finding the Fourth Proportional to 915,577.56, 1,263,244.01 and 528,366.38

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Solution

The fourth proportional to 915,577.56, 1,263,244.01 and 528,366.38 is: 728,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,577.56 : 1,263,244.01 = 528,366.38 : x
  2. Step 2: Convert to fraction form
    915,577.56/1,263,244.01 = 528,366.38/x
  3. Step 3: Cross multiply
    915,577.56x = 1,263,244.01 × 528,366.38
  4. Step 4: Simplify right side
    915,577.56x = 667,455,655,662.33
  5. Step 5: Solve for x
    x = 667,455,655,662.33/915,577.56
  6. Step 6: Final answer
    x = 728,999.58

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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.