Home / 319,016.95-440,274.41-238,304.35

Finding the Fourth Proportional to 319,016.95, 440,274.41 and 238,304.35

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Solution

The fourth proportional to 319,016.95, 440,274.41 and 238,304.35 is: 328,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,016.95 : 440,274.41 = 238,304.35 : x
  2. Step 2: Convert to fraction form
    319,016.95/440,274.41 = 238,304.35/x
  3. Step 3: Cross multiply
    319,016.95x = 440,274.41 × 238,304.35
  4. Step 4: Simplify right side
    319,016.95x = 104,919,307,225.55
  5. Step 5: Solve for x
    x = 104,919,307,225.55/319,016.95
  6. Step 6: Final answer
    x = 328,883.17

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1.5x scale

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.