Home / 404,529.58-558,286.59-223,280.74

Finding the Fourth Proportional to 404,529.58, 558,286.59 and 223,280.74

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Solution

The fourth proportional to 404,529.58, 558,286.59 and 223,280.74 is: 308,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,529.58 : 558,286.59 = 223,280.74 : x
  2. Step 2: Convert to fraction form
    404,529.58/558,286.59 = 223,280.74/x
  3. Step 3: Cross multiply
    404,529.58x = 558,286.59 × 223,280.74
  4. Step 4: Simplify right side
    404,529.58x = 124,654,642,947.28
  5. Step 5: Solve for x
    x = 124,654,642,947.28/404,529.58
  6. Step 6: Final answer
    x = 308,147.16

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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.