Home / 379,787.60-524,085.69-207,671.41

Finding the Fourth Proportional to 379,787.60, 524,085.69 and 207,671.41

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Solution

The fourth proportional to 379,787.60, 524,085.69 and 207,671.41 is: 286,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,787.60 : 524,085.69 = 207,671.41 : x
  2. Step 2: Convert to fraction form
    379,787.60/524,085.69 = 207,671.41/x
  3. Step 3: Cross multiply
    379,787.60x = 524,085.69 × 207,671.41
  4. Step 4: Simplify right side
    379,787.60x = 108,837,615,637.00
  5. Step 5: Solve for x
    x = 108,837,615,637.00/379,787.60
  6. Step 6: Final answer
    x = 286,574.96

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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.