Home / 404,880.48-558,731.75-223,604.64

Finding the Fourth Proportional to 404,880.48, 558,731.75 and 223,604.64

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Solution

The fourth proportional to 404,880.48, 558,731.75 and 223,604.64 is: 308,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,880.48 : 558,731.75 = 223,604.64 : x
  2. Step 2: Convert to fraction form
    404,880.48/558,731.75 = 223,604.64/x
  3. Step 3: Cross multiply
    404,880.48x = 558,731.75 × 223,604.64
  4. Step 4: Simplify right side
    404,880.48x = 124,935,011,815.32
  5. Step 5: Solve for x
    x = 124,935,011,815.32/404,880.48
  6. Step 6: Final answer
    x = 308,572.57

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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.