Home / 500,621.60-751,014.30-163,564.40

Finding the Fourth Proportional to 500,621.60, 751,014.30 and 163,564.40

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Solution

The fourth proportional to 500,621.60, 751,014.30 and 163,564.40 is: 245,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,621.60 : 751,014.30 = 163,564.40 : x
  2. Step 2: Convert to fraction form
    500,621.60/751,014.30 = 163,564.40/x
  3. Step 3: Cross multiply
    500,621.60x = 751,014.30 × 163,564.40
  4. Step 4: Simplify right side
    500,621.60x = 122,839,203,370.92
  5. Step 5: Solve for x
    x = 122,839,203,370.92/500,621.60
  6. Step 6: Final answer
    x = 245,373.36

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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.