Home / 711,731.52-1,067,616.64-238,328.64

Finding the Fourth Proportional to 711,731.52, 1,067,616.64 and 238,328.64

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Solution

The fourth proportional to 711,731.52, 1,067,616.64 and 238,328.64 is: 357,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,731.52 : 1,067,616.64 = 238,328.64 : x
  2. Step 2: Convert to fraction form
    711,731.52/1,067,616.64 = 238,328.64/x
  3. Step 3: Cross multiply
    711,731.52x = 1,067,616.64 × 238,328.64
  4. Step 4: Simplify right side
    711,731.52x = 254,443,621,852.57
  5. Step 5: Solve for x
    x = 254,443,621,852.57/711,731.52
  6. Step 6: Final answer
    x = 357,499.44

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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.