Home / 1,007,190.77-1,509,438.58-494,071.43

Finding the Fourth Proportional to 1,007,190.77, 1,509,438.58 and 494,071.43

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Solution

The fourth proportional to 1,007,190.77, 1,509,438.58 and 494,071.43 is: 740,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,190.77 : 1,509,438.58 = 494,071.43 : x
  2. Step 2: Convert to fraction form
    1,007,190.77/1,509,438.58 = 494,071.43/x
  3. Step 3: Cross multiply
    1,007,190.77x = 1,509,438.58 × 494,071.43
  4. Step 4: Simplify right side
    1,007,190.77x = 745,770,468,935.40
  5. Step 5: Solve for x
    x = 745,770,468,935.40/1,007,190.77
  6. Step 6: Final answer
    x = 740,446.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.