Home / 988,834-1,482,371.32-357,607.48

Finding the Fourth Proportional to 988,834, 1,482,371.32 and 357,607.48

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Solution

The fourth proportional to 988,834, 1,482,371.32 and 357,607.48 is: 536,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,834 : 1,482,371.32 = 357,607.48 : x
  2. Step 2: Convert to fraction form
    988,834/1,482,371.32 = 357,607.48/x
  3. Step 3: Cross multiply
    988,834x = 1,482,371.32 × 357,607.48
  4. Step 4: Simplify right side
    988,834x = 530,107,072,169.47
  5. Step 5: Solve for x
    x = 530,107,072,169.47/988,834
  6. Step 6: Final answer
    x = 536,093.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.