Home / 889,439.78-1,334,196.60-258,353.60

Finding the Fourth Proportional to 889,439.78, 1,334,196.60 and 258,353.60

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Solution

The fourth proportional to 889,439.78, 1,334,196.60 and 258,353.60 is: 387,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,439.78 : 1,334,196.60 = 258,353.60 : x
  2. Step 2: Convert to fraction form
    889,439.78/1,334,196.60 = 258,353.60/x
  3. Step 3: Cross multiply
    889,439.78x = 1,334,196.60 × 258,353.60
  4. Step 4: Simplify right side
    889,439.78x = 344,694,494,717.76
  5. Step 5: Solve for x
    x = 344,694,494,717.76/889,439.78
  6. Step 6: Final answer
    x = 387,541.13

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1.5x scale

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.