Home / 384,040.06-530,070.15-233,263.42

Finding the Fourth Proportional to 384,040.06, 530,070.15 and 233,263.42

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Solution

The fourth proportional to 384,040.06, 530,070.15 and 233,263.42 is: 321,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,040.06 : 530,070.15 = 233,263.42 : x
  2. Step 2: Convert to fraction form
    384,040.06/530,070.15 = 233,263.42/x
  3. Step 3: Cross multiply
    384,040.06x = 530,070.15 × 233,263.42
  4. Step 4: Simplify right side
    384,040.06x = 123,645,976,028.91
  5. Step 5: Solve for x
    x = 123,645,976,028.91/384,040.06
  6. Step 6: Final answer
    x = 321,961.14

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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.