Home / 638,787.06-958,845.20-470,497.41

Finding the Fourth Proportional to 638,787.06, 958,845.20 and 470,497.41

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Solution

The fourth proportional to 638,787.06, 958,845.20 and 470,497.41 is: 706,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,787.06 : 958,845.20 = 470,497.41 : x
  2. Step 2: Convert to fraction form
    638,787.06/958,845.20 = 470,497.41/x
  3. Step 3: Cross multiply
    638,787.06x = 958,845.20 × 470,497.41
  4. Step 4: Simplify right side
    638,787.06x = 451,134,180,838.45
  5. Step 5: Solve for x
    x = 451,134,180,838.45/638,787.06
  6. Step 6: Final answer
    x = 706,235.63

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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.