Home / 741,071.18-1,022,678.91-401,539.43

Finding the Fourth Proportional to 741,071.18, 1,022,678.91 and 401,539.43

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Solution

The fourth proportional to 741,071.18, 1,022,678.91 and 401,539.43 is: 554,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,071.18 : 1,022,678.91 = 401,539.43 : x
  2. Step 2: Convert to fraction form
    741,071.18/1,022,678.91 = 401,539.43/x
  3. Step 3: Cross multiply
    741,071.18x = 1,022,678.91 × 401,539.43
  4. Step 4: Simplify right side
    741,071.18x = 410,645,900,477.18
  5. Step 5: Solve for x
    x = 410,645,900,477.18/741,071.18
  6. Step 6: Final answer
    x = 554,124.78

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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.