Home / 669,261.49-923,238.75-427,289.83

Finding the Fourth Proportional to 669,261.49, 923,238.75 and 427,289.83

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Solution

The fourth proportional to 669,261.49, 923,238.75 and 427,289.83 is: 589,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,261.49 : 923,238.75 = 427,289.83 : x
  2. Step 2: Convert to fraction form
    669,261.49/923,238.75 = 427,289.83/x
  3. Step 3: Cross multiply
    669,261.49x = 923,238.75 × 427,289.83
  4. Step 4: Simplify right side
    669,261.49x = 394,490,528,536.91
  5. Step 5: Solve for x
    x = 394,490,528,536.91/669,261.49
  6. Step 6: Final answer
    x = 589,441.55

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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.