Home / 525,527.92-788,376.78-221,967.71

Finding the Fourth Proportional to 525,527.92, 788,376.78 and 221,967.71

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Solution

The fourth proportional to 525,527.92, 788,376.78 and 221,967.71 is: 332,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,527.92 : 788,376.78 = 221,967.71 : x
  2. Step 2: Convert to fraction form
    525,527.92/788,376.78 = 221,967.71/x
  3. Step 3: Cross multiply
    525,527.92x = 788,376.78 × 221,967.71
  4. Step 4: Simplify right side
    525,527.92x = 174,994,188,473.77
  5. Step 5: Solve for x
    x = 174,994,188,473.77/525,527.92
  6. Step 6: Final answer
    x = 332,987.42

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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.