Home / 404,396.10-558,077.30-223,110.40

Finding the Fourth Proportional to 404,396.10, 558,077.30 and 223,110.40

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Solution

The fourth proportional to 404,396.10, 558,077.30 and 223,110.40 is: 307,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,396.10 : 558,077.30 = 223,110.40 : x
  2. Step 2: Convert to fraction form
    404,396.10/558,077.30 = 223,110.40/x
  3. Step 3: Cross multiply
    404,396.10x = 558,077.30 × 223,110.40
  4. Step 4: Simplify right side
    404,396.10x = 124,512,849,633.92
  5. Step 5: Solve for x
    x = 124,512,849,633.92/404,396.10
  6. Step 6: Final answer
    x = 307,898.25

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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.