Home / 438,185.48-604,701.80-247,198.28

Finding the Fourth Proportional to 438,185.48, 604,701.80 and 247,198.28

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Solution

The fourth proportional to 438,185.48, 604,701.80 and 247,198.28 is: 341,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,185.48 : 604,701.80 = 247,198.28 : x
  2. Step 2: Convert to fraction form
    438,185.48/604,701.80 = 247,198.28/x
  3. Step 3: Cross multiply
    438,185.48x = 604,701.80 × 247,198.28
  4. Step 4: Simplify right side
    438,185.48x = 149,481,244,872.90
  5. Step 5: Solve for x
    x = 149,481,244,872.90/438,185.48
  6. Step 6: Final answer
    x = 341,136.92

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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.