Home / 480,315.03-720,487.12-164,767.38

Finding the Fourth Proportional to 480,315.03, 720,487.12 and 164,767.38

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Solution

The fourth proportional to 480,315.03, 720,487.12 and 164,767.38 is: 247,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,315.03 : 720,487.12 = 164,767.38 : x
  2. Step 2: Convert to fraction form
    480,315.03/720,487.12 = 164,767.38/x
  3. Step 3: Cross multiply
    480,315.03x = 720,487.12 × 164,767.38
  4. Step 4: Simplify right side
    480,315.03x = 118,712,775,086.15
  5. Step 5: Solve for x
    x = 118,712,775,086.15/480,315.03
  6. Step 6: Final answer
    x = 247,156.07

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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.