Home / 480,027.10-720,040.65-164,436.70

Finding the Fourth Proportional to 480,027.10, 720,040.65 and 164,436.70

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Solution

The fourth proportional to 480,027.10, 720,040.65 and 164,436.70 is: 246,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,027.10 : 720,040.65 = 164,436.70 : x
  2. Step 2: Convert to fraction form
    480,027.10/720,040.65 = 164,436.70/x
  3. Step 3: Cross multiply
    480,027.10x = 720,040.65 × 164,436.70
  4. Step 4: Simplify right side
    480,027.10x = 118,401,108,351.86
  5. Step 5: Solve for x
    x = 118,401,108,351.86/480,027.10
  6. Step 6: Final answer
    x = 246,655.05

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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.