Home / 442,015.54-609,981.51-240,811.54

Finding the Fourth Proportional to 442,015.54, 609,981.51 and 240,811.54

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Solution

The fourth proportional to 442,015.54, 609,981.51 and 240,811.54 is: 332,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,015.54 : 609,981.51 = 240,811.54 : x
  2. Step 2: Convert to fraction form
    442,015.54/609,981.51 = 240,811.54/x
  3. Step 3: Cross multiply
    442,015.54x = 609,981.51 × 240,811.54
  4. Step 4: Simplify right side
    442,015.54x = 146,890,586,794.63
  5. Step 5: Solve for x
    x = 146,890,586,794.63/442,015.54
  6. Step 6: Final answer
    x = 332,319.96

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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.