Home / 402,788.77-604,183.12-191,787.01

Finding the Fourth Proportional to 402,788.77, 604,183.12 and 191,787.01

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Solution

The fourth proportional to 402,788.77, 604,183.12 and 191,787.01 is: 287,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,788.77 : 604,183.12 = 191,787.01 : x
  2. Step 2: Convert to fraction form
    402,788.77/604,183.12 = 191,787.01/x
  3. Step 3: Cross multiply
    402,788.77x = 604,183.12 × 191,787.01
  4. Step 4: Simplify right side
    402,788.77x = 115,874,472,087.35
  5. Step 5: Solve for x
    x = 115,874,472,087.35/402,788.77
  6. Step 6: Final answer
    x = 287,680.50

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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.