Home / 404,400.10-558,082.82-223,114.40

Finding the Fourth Proportional to 404,400.10, 558,082.82 and 223,114.40

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Solution

The fourth proportional to 404,400.10, 558,082.82 and 223,114.40 is: 307,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,400.10 : 558,082.82 = 223,114.40 : x
  2. Step 2: Convert to fraction form
    404,400.10/558,082.82 = 223,114.40/x
  3. Step 3: Cross multiply
    404,400.10x = 558,082.82 × 223,114.40
  4. Step 4: Simplify right side
    404,400.10x = 124,516,313,534.61
  5. Step 5: Solve for x
    x = 124,516,313,534.61/404,400.10
  6. Step 6: Final answer
    x = 307,903.77

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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.