Home / 404,742.89-558,546.02-223,455.17

Finding the Fourth Proportional to 404,742.89, 558,546.02 and 223,455.17

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Solution

The fourth proportional to 404,742.89, 558,546.02 and 223,455.17 is: 308,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,742.89 : 558,546.02 = 223,455.17 : x
  2. Step 2: Convert to fraction form
    404,742.89/558,546.02 = 223,455.17/x
  3. Step 3: Cross multiply
    404,742.89x = 558,546.02 × 223,455.17
  4. Step 4: Simplify right side
    404,742.89x = 124,809,995,851.92
  5. Step 5: Solve for x
    x = 124,809,995,851.92/404,742.89
  6. Step 6: Final answer
    x = 308,368.59

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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.