Home / 404,671.15-558,439.46-223,378.39

Finding the Fourth Proportional to 404,671.15, 558,439.46 and 223,378.39

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Solution

The fourth proportional to 404,671.15, 558,439.46 and 223,378.39 is: 308,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,671.15 : 558,439.46 = 223,378.39 : x
  2. Step 2: Convert to fraction form
    404,671.15/558,439.46 = 223,378.39/x
  3. Step 3: Cross multiply
    404,671.15x = 558,439.46 × 223,378.39
  4. Step 4: Simplify right side
    404,671.15x = 124,743,303,578.18
  5. Step 5: Solve for x
    x = 124,743,303,578.18/404,671.15
  6. Step 6: Final answer
    x = 308,258.46

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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.