Home / 404,437.38-558,126.58-223,156.04

Finding the Fourth Proportional to 404,437.38, 558,126.58 and 223,156.04

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Solution

The fourth proportional to 404,437.38, 558,126.58 and 223,156.04 is: 307,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,437.38 : 558,126.58 = 223,156.04 : x
  2. Step 2: Convert to fraction form
    404,437.38/558,126.58 = 223,156.04/x
  3. Step 3: Cross multiply
    404,437.38x = 558,126.58 × 223,156.04
  4. Step 4: Simplify right side
    404,437.38x = 124,549,315,423.54
  5. Step 5: Solve for x
    x = 124,549,315,423.54/404,437.38
  6. Step 6: Final answer
    x = 307,956.98

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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.