Home / 698,393.52-1,047,522.24-225,418.32

Finding the Fourth Proportional to 698,393.52, 1,047,522.24 and 225,418.32

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Solution

The fourth proportional to 698,393.52, 1,047,522.24 and 225,418.32 is: 338,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,393.52 : 1,047,522.24 = 225,418.32 : x
  2. Step 2: Convert to fraction form
    698,393.52/1,047,522.24 = 225,418.32/x
  3. Step 3: Cross multiply
    698,393.52x = 1,047,522.24 × 225,418.32
  4. Step 4: Simplify right side
    698,393.52x = 236,130,703,503.44
  5. Step 5: Solve for x
    x = 236,130,703,503.44/698,393.52
  6. Step 6: Final answer
    x = 338,105.52

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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.