Home / 836,522.32-1,254,787.68-205,436.32

Finding the Fourth Proportional to 836,522.32, 1,254,787.68 and 205,436.32

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Solution

The fourth proportional to 836,522.32, 1,254,787.68 and 205,436.32 is: 308,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,522.32 : 1,254,787.68 = 205,436.32 : x
  2. Step 2: Convert to fraction form
    836,522.32/1,254,787.68 = 205,436.32/x
  3. Step 3: Cross multiply
    836,522.32x = 1,254,787.68 × 205,436.32
  4. Step 4: Simplify right side
    836,522.32x = 257,778,963,360.54
  5. Step 5: Solve for x
    x = 257,778,963,360.54/836,522.32
  6. Step 6: Final answer
    x = 308,155.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.