Home / 816,215.53-1,224,450.06-416,640.10

Finding the Fourth Proportional to 816,215.53, 1,224,450.06 and 416,640.10

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Solution

The fourth proportional to 816,215.53, 1,224,450.06 and 416,640.10 is: 625,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,215.53 : 1,224,450.06 = 416,640.10 : x
  2. Step 2: Convert to fraction form
    816,215.53/1,224,450.06 = 416,640.10/x
  3. Step 3: Cross multiply
    816,215.53x = 1,224,450.06 × 416,640.10
  4. Step 4: Simplify right side
    816,215.53x = 510,154,995,443.41
  5. Step 5: Solve for x
    x = 510,154,995,443.41/816,215.53
  6. Step 6: Final answer
    x = 625,024.86

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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.