Home / 988,984.46-1,483,592.52-314,829.56

Finding the Fourth Proportional to 988,984.46, 1,483,592.52 and 314,829.56

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Solution

The fourth proportional to 988,984.46, 1,483,592.52 and 314,829.56 is: 472,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,984.46 : 1,483,592.52 = 314,829.56 : x
  2. Step 2: Convert to fraction form
    988,984.46/1,483,592.52 = 314,829.56/x
  3. Step 3: Cross multiply
    988,984.46x = 1,483,592.52 × 314,829.56
  4. Step 4: Simplify right side
    988,984.46x = 467,078,780,290.89
  5. Step 5: Solve for x
    x = 467,078,780,290.89/988,984.46
  6. Step 6: Final answer
    x = 472,281.21

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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.