Home / 445,737.12-615,114.57-241,788.43

Finding the Fourth Proportional to 445,737.12, 615,114.57 and 241,788.43

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Solution

The fourth proportional to 445,737.12, 615,114.57 and 241,788.43 is: 333,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,737.12 : 615,114.57 = 241,788.43 : x
  2. Step 2: Convert to fraction form
    445,737.12/615,114.57 = 241,788.43/x
  3. Step 3: Cross multiply
    445,737.12x = 615,114.57 × 241,788.43
  4. Step 4: Simplify right side
    445,737.12x = 148,727,586,150.43
  5. Step 5: Solve for x
    x = 148,727,586,150.43/445,737.12
  6. Step 6: Final answer
    x = 333,666.59

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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.