Home / 953,540.76-1,431,561.24-639,403.32

Finding the Fourth Proportional to 953,540.76, 1,431,561.24 and 639,403.32

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Solution

The fourth proportional to 953,540.76, 1,431,561.24 and 639,403.32 is: 959,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,540.76 : 1,431,561.24 = 639,403.32 : x
  2. Step 2: Convert to fraction form
    953,540.76/1,431,561.24 = 639,403.32/x
  3. Step 3: Cross multiply
    953,540.76x = 1,431,561.24 × 639,403.32
  4. Step 4: Simplify right side
    953,540.76x = 915,345,009,639.32
  5. Step 5: Solve for x
    x = 915,345,009,639.32/953,540.76
  6. Step 6: Final answer
    x = 959,943.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.