Home / 816,217.53-1,224,453.06-416,642.10

Finding the Fourth Proportional to 816,217.53, 1,224,453.06 and 416,642.10

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Solution

The fourth proportional to 816,217.53, 1,224,453.06 and 416,642.10 is: 625,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,217.53 : 1,224,453.06 = 416,642.10 : x
  2. Step 2: Convert to fraction form
    816,217.53/1,224,453.06 = 416,642.10/x
  3. Step 3: Cross multiply
    816,217.53x = 1,224,453.06 × 416,642.10
  4. Step 4: Simplify right side
    816,217.53x = 510,158,694,269.83
  5. Step 5: Solve for x
    x = 510,158,694,269.83/816,217.53
  6. Step 6: Final answer
    x = 625,027.86

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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.