Home / 816,600.36-1,126,915.46-530,228.52

Finding the Fourth Proportional to 816,600.36, 1,126,915.46 and 530,228.52

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Solution

The fourth proportional to 816,600.36, 1,126,915.46 and 530,228.52 is: 731,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,600.36 : 1,126,915.46 = 530,228.52 : x
  2. Step 2: Convert to fraction form
    816,600.36/1,126,915.46 = 530,228.52/x
  3. Step 3: Cross multiply
    816,600.36x = 1,126,915.46 × 530,228.52
  4. Step 4: Simplify right side
    816,600.36x = 597,522,716,520.92
  5. Step 5: Solve for x
    x = 597,522,716,520.92/816,600.36
  6. Step 6: Final answer
    x = 731,719.88

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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.