Home / 477,531.60-658,979.71-262,671.61

Finding the Fourth Proportional to 477,531.60, 658,979.71 and 262,671.61

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Solution

The fourth proportional to 477,531.60, 658,979.71 and 262,671.61 is: 362,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,531.60 : 658,979.71 = 262,671.61 : x
  2. Step 2: Convert to fraction form
    477,531.60/658,979.71 = 262,671.61/x
  3. Step 3: Cross multiply
    477,531.60x = 658,979.71 × 262,671.61
  4. Step 4: Simplify right side
    477,531.60x = 173,095,261,383.03
  5. Step 5: Solve for x
    x = 173,095,261,383.03/477,531.60
  6. Step 6: Final answer
    x = 362,479.18

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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.