Home / 404,424.18-558,103.77-223,147.40

Finding the Fourth Proportional to 404,424.18, 558,103.77 and 223,147.40

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Solution

The fourth proportional to 404,424.18, 558,103.77 and 223,147.40 is: 307,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,424.18 : 558,103.77 = 223,147.40 : x
  2. Step 2: Convert to fraction form
    404,424.18/558,103.77 = 223,147.40/x
  3. Step 3: Cross multiply
    404,424.18x = 558,103.77 × 223,147.40
  4. Step 4: Simplify right side
    404,424.18x = 124,539,402,415.18
  5. Step 5: Solve for x
    x = 124,539,402,415.18/404,424.18
  6. Step 6: Final answer
    x = 307,942.52

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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.