Home / 534,942.12-736,881.66-407,396.28

Finding the Fourth Proportional to 534,942.12, 736,881.66 and 407,396.28

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Solution

The fourth proportional to 534,942.12, 736,881.66 and 407,396.28 is: 561,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,942.12 : 736,881.66 = 407,396.28 : x
  2. Step 2: Convert to fraction form
    534,942.12/736,881.66 = 407,396.28/x
  3. Step 3: Cross multiply
    534,942.12x = 736,881.66 × 407,396.28
  4. Step 4: Simplify right side
    534,942.12x = 300,202,847,084.23
  5. Step 5: Solve for x
    x = 300,202,847,084.23/534,942.12
  6. Step 6: Final answer
    x = 561,187.53

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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.