Home / 949,571.46-1,310,408.94-519,878.81

Finding the Fourth Proportional to 949,571.46, 1,310,408.94 and 519,878.81

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Solution

The fourth proportional to 949,571.46, 1,310,408.94 and 519,878.81 is: 717,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,571.46 : 1,310,408.94 = 519,878.81 : x
  2. Step 2: Convert to fraction form
    949,571.46/1,310,408.94 = 519,878.81/x
  3. Step 3: Cross multiply
    949,571.46x = 1,310,408.94 × 519,878.81
  4. Step 4: Simplify right side
    949,571.46x = 681,253,833,788.52
  5. Step 5: Solve for x
    x = 681,253,833,788.52/949,571.46
  6. Step 6: Final answer
    x = 717,432.93

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1.5x scale

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.