Home / 578,580.38-798,255.20-374,787.53

Finding the Fourth Proportional to 578,580.38, 798,255.20 and 374,787.53

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Solution

The fourth proportional to 578,580.38, 798,255.20 and 374,787.53 is: 517,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,580.38 : 798,255.20 = 374,787.53 : x
  2. Step 2: Convert to fraction form
    578,580.38/798,255.20 = 374,787.53/x
  3. Step 3: Cross multiply
    578,580.38x = 798,255.20 × 374,787.53
  4. Step 4: Simplify right side
    578,580.38x = 299,176,088,852.44
  5. Step 5: Solve for x
    x = 299,176,088,852.44/578,580.38
  6. Step 6: Final answer
    x = 517,086.48

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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.