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Finding the Fourth Proportional to 1,612,008, 2,224,570.95 and 886,840.11

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Solution

The fourth proportional to 1,612,008, 2,224,570.95 and 886,840.11 is: 1,223,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,008 : 2,224,570.95 = 886,840.11 : x
  2. Step 2: Convert to fraction form
    1,612,008/2,224,570.95 = 886,840.11/x
  3. Step 3: Cross multiply
    1,612,008x = 2,224,570.95 × 886,840.11
  4. Step 4: Simplify right side
    1,612,008x = 1,972,838,746,000.80
  5. Step 5: Solve for x
    x = 1,972,838,746,000.80/1,612,008
  6. Step 6: Final answer
    x = 1,223,839.30

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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.