Home / 480,513.90-663,088.35-262,718.58

Finding the Fourth Proportional to 480,513.90, 663,088.35 and 262,718.58

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Solution

The fourth proportional to 480,513.90, 663,088.35 and 262,718.58 is: 362,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,513.90 : 663,088.35 = 262,718.58 : x
  2. Step 2: Convert to fraction form
    480,513.90/663,088.35 = 262,718.58/x
  3. Step 3: Cross multiply
    480,513.90x = 663,088.35 × 262,718.58
  4. Step 4: Simplify right side
    480,513.90x = 174,205,629,726.54
  5. Step 5: Solve for x
    x = 174,205,629,726.54/480,513.90
  6. Step 6: Final answer
    x = 362,540.25

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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.