Home / 404,631.06-558,390.90-223,343.04

Finding the Fourth Proportional to 404,631.06, 558,390.90 and 223,343.04

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Solution

The fourth proportional to 404,631.06, 558,390.90 and 223,343.04 is: 308,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,631.06 : 558,390.90 = 223,343.04 : x
  2. Step 2: Convert to fraction form
    404,631.06/558,390.90 = 223,343.04/x
  3. Step 3: Cross multiply
    404,631.06x = 558,390.90 × 223,343.04
  4. Step 4: Simplify right side
    404,631.06x = 124,712,721,114.34
  5. Step 5: Solve for x
    x = 124,712,721,114.34/404,631.06
  6. Step 6: Final answer
    x = 308,213.42

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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.