Home / 669,228.94-923,438.46-382,693.66

Finding the Fourth Proportional to 669,228.94, 923,438.46 and 382,693.66

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Solution

The fourth proportional to 669,228.94, 923,438.46 and 382,693.66 is: 528,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,228.94 : 923,438.46 = 382,693.66 : x
  2. Step 2: Convert to fraction form
    669,228.94/923,438.46 = 382,693.66/x
  3. Step 3: Cross multiply
    669,228.94x = 923,438.46 × 382,693.66
  4. Step 4: Simplify right side
    669,228.94x = 353,394,044,042.16
  5. Step 5: Solve for x
    x = 353,394,044,042.16/669,228.94
  6. Step 6: Final answer
    x = 528,061.51

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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.