Home / 613,650.93-920,621.29-192,926.81

Finding the Fourth Proportional to 613,650.93, 920,621.29 and 192,926.81

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Solution

The fourth proportional to 613,650.93, 920,621.29 and 192,926.81 is: 289,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,650.93 : 920,621.29 = 192,926.81 : x
  2. Step 2: Convert to fraction form
    613,650.93/920,621.29 = 192,926.81/x
  3. Step 3: Cross multiply
    613,650.93x = 920,621.29 × 192,926.81
  4. Step 4: Simplify right side
    613,650.93x = 177,612,528,697.79
  5. Step 5: Solve for x
    x = 177,612,528,697.79/613,650.93
  6. Step 6: Final answer
    x = 289,435.77

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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.