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Finding the Fourth Proportional to 1,334,754.48, 1,841,966.64 and 722,914.50

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Solution

The fourth proportional to 1,334,754.48, 1,841,966.64 and 722,914.50 is: 997,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,754.48 : 1,841,966.64 = 722,914.50 : x
  2. Step 2: Convert to fraction form
    1,334,754.48/1,841,966.64 = 722,914.50/x
  3. Step 3: Cross multiply
    1,334,754.48x = 1,841,966.64 × 722,914.50
  4. Step 4: Simplify right side
    1,334,754.48x = 1,331,584,392,572.28
  5. Step 5: Solve for x
    x = 1,331,584,392,572.28/1,334,754.48
  6. Step 6: Final answer
    x = 997,624.97

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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.