Home / 613,962.22-921,067.89-193,140.22

Finding the Fourth Proportional to 613,962.22, 921,067.89 and 193,140.22

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Solution

The fourth proportional to 613,962.22, 921,067.89 and 193,140.22 is: 289,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,962.22 : 921,067.89 = 193,140.22 : x
  2. Step 2: Convert to fraction form
    613,962.22/921,067.89 = 193,140.22/x
  3. Step 3: Cross multiply
    613,962.22x = 921,067.89 × 193,140.22
  4. Step 4: Simplify right side
    613,962.22x = 177,895,249,338.50
  5. Step 5: Solve for x
    x = 177,895,249,338.50/613,962.22
  6. Step 6: Final answer
    x = 289,749.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.