Home / 669,517.28-924,067.95-397,736.16

Finding the Fourth Proportional to 669,517.28, 924,067.95 and 397,736.16

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Solution

The fourth proportional to 669,517.28, 924,067.95 and 397,736.16 is: 548,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,517.28 : 924,067.95 = 397,736.16 : x
  2. Step 2: Convert to fraction form
    669,517.28/924,067.95 = 397,736.16/x
  3. Step 3: Cross multiply
    669,517.28x = 924,067.95 × 397,736.16
  4. Step 4: Simplify right side
    669,517.28x = 367,535,238,012.07
  5. Step 5: Solve for x
    x = 367,535,238,012.07/669,517.28
  6. Step 6: Final answer
    x = 548,955.57

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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.