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Finding the Fourth Proportional to 1,373,364.48, 1,895,865.84 and 884,040.24

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Solution

The fourth proportional to 1,373,364.48, 1,895,865.84 and 884,040.24 is: 1,220,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,364.48 : 1,895,865.84 = 884,040.24 : x
  2. Step 2: Convert to fraction form
    1,373,364.48/1,895,865.84 = 884,040.24/x
  3. Step 3: Cross multiply
    1,373,364.48x = 1,895,865.84 × 884,040.24
  4. Step 4: Simplify right side
    1,373,364.48x = 1,676,021,692,201.40
  5. Step 5: Solve for x
    x = 1,676,021,692,201.40/1,373,364.48
  6. Step 6: Final answer
    x = 1,220,376.47

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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.