Home / 1,271,463.57-1,754,620.43-698,540.64

Finding the Fourth Proportional to 1,271,463.57, 1,754,620.43 and 698,540.64

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Solution

The fourth proportional to 1,271,463.57, 1,754,620.43 and 698,540.64 is: 963,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,463.57 : 1,754,620.43 = 698,540.64 : x
  2. Step 2: Convert to fraction form
    1,271,463.57/1,754,620.43 = 698,540.64/x
  3. Step 3: Cross multiply
    1,271,463.57x = 1,754,620.43 × 698,540.64
  4. Step 4: Simplify right side
    1,271,463.57x = 1,225,673,674,636.57
  5. Step 5: Solve for x
    x = 1,225,673,674,636.57/1,271,463.57
  6. Step 6: Final answer
    x = 963,986.47

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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.