Home / 669,278.75-923,605.47-363,355.43

Finding the Fourth Proportional to 669,278.75, 923,605.47 and 363,355.43

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Solution

The fourth proportional to 669,278.75, 923,605.47 and 363,355.43 is: 501,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,278.75 : 923,605.47 = 363,355.43 : x
  2. Step 2: Convert to fraction form
    669,278.75/923,605.47 = 363,355.43/x
  3. Step 3: Cross multiply
    669,278.75x = 923,605.47 × 363,355.43
  4. Step 4: Simplify right side
    669,278.75x = 335,597,058,084.18
  5. Step 5: Solve for x
    x = 335,597,058,084.18/669,278.75
  6. Step 6: Final answer
    x = 501,430.92

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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.