Home / 437,619.10-656,428.65-248,662.30

Finding the Fourth Proportional to 437,619.10, 656,428.65 and 248,662.30

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Solution

The fourth proportional to 437,619.10, 656,428.65 and 248,662.30 is: 372,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,619.10 : 656,428.65 = 248,662.30 : x
  2. Step 2: Convert to fraction form
    437,619.10/656,428.65 = 248,662.30/x
  3. Step 3: Cross multiply
    437,619.10x = 656,428.65 × 248,662.30
  4. Step 4: Simplify right side
    437,619.10x = 163,229,057,894.90
  5. Step 5: Solve for x
    x = 163,229,057,894.90/437,619.10
  6. Step 6: Final answer
    x = 372,993.45

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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.