Home / 440,426.96-660,407.16-174,176.72

Finding the Fourth Proportional to 440,426.96, 660,407.16 and 174,176.72

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Solution

The fourth proportional to 440,426.96, 660,407.16 and 174,176.72 is: 261,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,426.96 : 660,407.16 = 174,176.72 : x
  2. Step 2: Convert to fraction form
    440,426.96/660,407.16 = 174,176.72/x
  3. Step 3: Cross multiply
    440,426.96x = 660,407.16 × 174,176.72
  4. Step 4: Simplify right side
    440,426.96x = 115,027,552,993.32
  5. Step 5: Solve for x
    x = 115,027,552,993.32/440,426.96
  6. Step 6: Final answer
    x = 261,172.82

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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.