Home / 399,994.47-552,131.28-230,296.23

Finding the Fourth Proportional to 399,994.47, 552,131.28 and 230,296.23

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Solution

The fourth proportional to 399,994.47, 552,131.28 and 230,296.23 is: 317,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,994.47 : 552,131.28 = 230,296.23 : x
  2. Step 2: Convert to fraction form
    399,994.47/552,131.28 = 230,296.23/x
  3. Step 3: Cross multiply
    399,994.47x = 552,131.28 × 230,296.23
  4. Step 4: Simplify right side
    399,994.47x = 127,153,752,249.07
  5. Step 5: Solve for x
    x = 127,153,752,249.07/399,994.47
  6. Step 6: Final answer
    x = 317,888.78

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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.