Home / 988,845.50-1,482,388.59-357,618.98

Finding the Fourth Proportional to 988,845.50, 1,482,388.59 and 357,618.98

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Solution

The fourth proportional to 988,845.50, 1,482,388.59 and 357,618.98 is: 536,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,845.50 : 1,482,388.59 = 357,618.98 : x
  2. Step 2: Convert to fraction form
    988,845.50/1,482,388.59 = 357,618.98/x
  3. Step 3: Cross multiply
    988,845.50x = 1,482,388.59 × 357,618.98
  4. Step 4: Simplify right side
    988,845.50x = 530,130,295,519.44
  5. Step 5: Solve for x
    x = 530,130,295,519.44/988,845.50
  6. Step 6: Final answer
    x = 536,110.34

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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.