Home / 526,270.56-726,243.72-322,289.10

Finding the Fourth Proportional to 526,270.56, 726,243.72 and 322,289.10

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Solution

The fourth proportional to 526,270.56, 726,243.72 and 322,289.10 is: 444,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,270.56 : 726,243.72 = 322,289.10 : x
  2. Step 2: Convert to fraction form
    526,270.56/726,243.72 = 322,289.10/x
  3. Step 3: Cross multiply
    526,270.56x = 726,243.72 × 322,289.10
  4. Step 4: Simplify right side
    526,270.56x = 234,060,434,899.45
  5. Step 5: Solve for x
    x = 234,060,434,899.45/526,270.56
  6. Step 6: Final answer
    x = 444,753.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.