Home / 624,173.45-861,359.06-352,298.36

Finding the Fourth Proportional to 624,173.45, 861,359.06 and 352,298.36

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Solution

The fourth proportional to 624,173.45, 861,359.06 and 352,298.36 is: 486,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,173.45 : 861,359.06 = 352,298.36 : x
  2. Step 2: Convert to fraction form
    624,173.45/861,359.06 = 352,298.36/x
  3. Step 3: Cross multiply
    624,173.45x = 861,359.06 × 352,298.36
  4. Step 4: Simplify right side
    624,173.45x = 303,455,387,243.29
  5. Step 5: Solve for x
    x = 303,455,387,243.29/624,173.45
  6. Step 6: Final answer
    x = 486,171.58

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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.