Home / 480,720.11-663,366.77-262,885.46

Finding the Fourth Proportional to 480,720.11, 663,366.77 and 262,885.46

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Solution

The fourth proportional to 480,720.11, 663,366.77 and 262,885.46 is: 362,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,720.11 : 663,366.77 = 262,885.46 : x
  2. Step 2: Convert to fraction form
    480,720.11/663,366.77 = 262,885.46/x
  3. Step 3: Cross multiply
    480,720.11x = 663,366.77 × 262,885.46
  4. Step 4: Simplify right side
    480,720.11x = 174,389,475,163.33
  5. Step 5: Solve for x
    x = 174,389,475,163.33/480,720.11
  6. Step 6: Final answer
    x = 362,767.17

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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.