Home / 404,528.80-558,252.12-223,245.40

Finding the Fourth Proportional to 404,528.80, 558,252.12 and 223,245.40

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Solution

The fourth proportional to 404,528.80, 558,252.12 and 223,245.40 is: 308,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,528.80 : 558,252.12 = 223,245.40 : x
  2. Step 2: Convert to fraction form
    404,528.80/558,252.12 = 223,245.40/x
  3. Step 3: Cross multiply
    404,528.80x = 558,252.12 × 223,245.40
  4. Step 4: Simplify right side
    404,528.80x = 124,627,217,830.25
  5. Step 5: Solve for x
    x = 124,627,217,830.25/404,528.80
  6. Step 6: Final answer
    x = 308,079.96

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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.