Home / 403,215.53-556,348.05-233,351.24

Finding the Fourth Proportional to 403,215.53, 556,348.05 and 233,351.24

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Solution

The fourth proportional to 403,215.53, 556,348.05 and 233,351.24 is: 321,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,215.53 : 556,348.05 = 233,351.24 : x
  2. Step 2: Convert to fraction form
    403,215.53/556,348.05 = 233,351.24/x
  3. Step 3: Cross multiply
    403,215.53x = 556,348.05 × 233,351.24
  4. Step 4: Simplify right side
    403,215.53x = 129,824,504,557.34
  5. Step 5: Solve for x
    x = 129,824,504,557.34/403,215.53
  6. Step 6: Final answer
    x = 321,972.98

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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.