Home / 445,943.68-615,399.10-241,989.42

Finding the Fourth Proportional to 445,943.68, 615,399.10 and 241,989.42

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Solution

The fourth proportional to 445,943.68, 615,399.10 and 241,989.42 is: 333,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,943.68 : 615,399.10 = 241,989.42 : x
  2. Step 2: Convert to fraction form
    445,943.68/615,399.10 = 241,989.42/x
  3. Step 3: Cross multiply
    445,943.68x = 615,399.10 × 241,989.42
  4. Step 4: Simplify right side
    445,943.68x = 148,920,071,277.52
  5. Step 5: Solve for x
    x = 148,920,071,277.52/445,943.68
  6. Step 6: Final answer
    x = 333,943.67

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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.