Home / 613,962.97-921,069.01-193,140.97

Finding the Fourth Proportional to 613,962.97, 921,069.01 and 193,140.97

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Solution

The fourth proportional to 613,962.97, 921,069.01 and 193,140.97 is: 289,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,962.97 : 921,069.01 = 193,140.97 : x
  2. Step 2: Convert to fraction form
    613,962.97/921,069.01 = 193,140.97/x
  3. Step 3: Cross multiply
    613,962.97x = 921,069.01 × 193,140.97
  4. Step 4: Simplify right side
    613,962.97x = 177,896,162,028.34
  5. Step 5: Solve for x
    x = 177,896,162,028.34/613,962.97
  6. Step 6: Final answer
    x = 289,750.64

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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.