Home / 437,926.94-657,823.75-412,330.61

Finding the Fourth Proportional to 437,926.94, 657,823.75 and 412,330.61

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Solution

The fourth proportional to 437,926.94, 657,823.75 and 412,330.61 is: 619,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,926.94 : 657,823.75 = 412,330.61 : x
  2. Step 2: Convert to fraction form
    437,926.94/657,823.75 = 412,330.61/x
  3. Step 3: Cross multiply
    437,926.94x = 657,823.75 × 412,330.61
  4. Step 4: Simplify right side
    437,926.94x = 271,240,867,803.12
  5. Step 5: Solve for x
    x = 271,240,867,803.12/437,926.94
  6. Step 6: Final answer
    x = 619,374.71

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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.