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Finding the Fourth Proportional to 1,603,888, 2,213,365.44 and 959,335.36

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Solution

The fourth proportional to 1,603,888, 2,213,365.44 and 959,335.36 is: 1,323,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,888 : 2,213,365.44 = 959,335.36 : x
  2. Step 2: Convert to fraction form
    1,603,888/2,213,365.44 = 959,335.36/x
  3. Step 3: Cross multiply
    1,603,888x = 2,213,365.44 × 959,335.36
  4. Step 4: Simplify right side
    1,603,888x = 2,123,359,731,193.96
  5. Step 5: Solve for x
    x = 2,123,359,731,193.96/1,603,888
  6. Step 6: Final answer
    x = 1,323,882.80

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1.5x scale

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.