Home / 1,538,837.17-2,123,529.21-850,473.45

Finding the Fourth Proportional to 1,538,837.17, 2,123,529.21 and 850,473.45

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Solution

The fourth proportional to 1,538,837.17, 2,123,529.21 and 850,473.45 is: 1,173,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,837.17 : 2,123,529.21 = 850,473.45 : x
  2. Step 2: Convert to fraction form
    1,538,837.17/2,123,529.21 = 850,473.45/x
  3. Step 3: Cross multiply
    1,538,837.17x = 2,123,529.21 × 850,473.45
  4. Step 4: Simplify right side
    1,538,837.17x = 1,806,005,213,404.47
  5. Step 5: Solve for x
    x = 1,806,005,213,404.47/1,538,837.17
  6. Step 6: Final answer
    x = 1,173,616.84

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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.