Home / 988,867-1,483,225.98-314,921.08

Finding the Fourth Proportional to 988,867, 1,483,225.98 and 314,921.08

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Solution

The fourth proportional to 988,867, 1,483,225.98 and 314,921.08 is: 472,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,867 : 1,483,225.98 = 314,921.08 : x
  2. Step 2: Convert to fraction form
    988,867/1,483,225.98 = 314,921.08/x
  3. Step 3: Cross multiply
    988,867x = 1,483,225.98 × 314,921.08
  4. Step 4: Simplify right side
    988,867x = 467,099,127,505.66
  5. Step 5: Solve for x
    x = 467,099,127,505.66/988,867
  6. Step 6: Final answer
    x = 472,357.89

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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.