Home / 816,211.53-1,224,444.06-416,636.10

Finding the Fourth Proportional to 816,211.53, 1,224,444.06 and 416,636.10

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Solution

The fourth proportional to 816,211.53, 1,224,444.06 and 416,636.10 is: 625,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,211.53 : 1,224,444.06 = 416,636.10 : x
  2. Step 2: Convert to fraction form
    816,211.53/1,224,444.06 = 416,636.10/x
  3. Step 3: Cross multiply
    816,211.53x = 1,224,444.06 × 416,636.10
  4. Step 4: Simplify right side
    816,211.53x = 510,147,597,826.57
  5. Step 5: Solve for x
    x = 510,147,597,826.57/816,211.53
  6. Step 6: Final answer
    x = 625,018.86

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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.