Home / 1,242,344.19-1,863,557.72-343,710.63

Finding the Fourth Proportional to 1,242,344.19, 1,863,557.72 and 343,710.63

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Solution

The fourth proportional to 1,242,344.19, 1,863,557.72 and 343,710.63 is: 515,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,344.19 : 1,863,557.72 = 343,710.63 : x
  2. Step 2: Convert to fraction form
    1,242,344.19/1,863,557.72 = 343,710.63/x
  3. Step 3: Cross multiply
    1,242,344.19x = 1,863,557.72 × 343,710.63
  4. Step 4: Simplify right side
    1,242,344.19x = 640,524,596,264.01
  5. Step 5: Solve for x
    x = 640,524,596,264.01/1,242,344.19
  6. Step 6: Final answer
    x = 515,577.41

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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.