Home / 1,334,108.40-1,839,825.72-1,235,029.20

Finding the Fourth Proportional to 1,334,108.40, 1,839,825.72 and 1,235,029.20

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Solution

The fourth proportional to 1,334,108.40, 1,839,825.72 and 1,235,029.20 is: 1,703,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,108.40 : 1,839,825.72 = 1,235,029.20 : x
  2. Step 2: Convert to fraction form
    1,334,108.40/1,839,825.72 = 1,235,029.20/x
  3. Step 3: Cross multiply
    1,334,108.40x = 1,839,825.72 × 1,235,029.20
  4. Step 4: Simplify right side
    1,334,108.40x = 2,272,238,487,111.02
  5. Step 5: Solve for x
    x = 2,272,238,487,111.02/1,334,108.40
  6. Step 6: Final answer
    x = 1,703,188.80

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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.