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Finding the Fourth Proportional to 1,334,753.95, 1,841,965.95 and 722,913.97

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Solution

The fourth proportional to 1,334,753.95, 1,841,965.95 and 722,913.97 is: 997,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,753.95 : 1,841,965.95 = 722,913.97 : x
  2. Step 2: Convert to fraction form
    1,334,753.95/1,841,965.95 = 722,913.97/x
  3. Step 3: Cross multiply
    1,334,753.95x = 1,841,965.95 × 722,913.97
  4. Step 4: Simplify right side
    1,334,753.95x = 1,331,582,917,519.32
  5. Step 5: Solve for x
    x = 1,331,582,917,519.32/1,334,753.95
  6. Step 6: Final answer
    x = 997,624.26

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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.