Home / 816,101.40-1,224,152.10-550,680.60

Finding the Fourth Proportional to 816,101.40, 1,224,152.10 and 550,680.60

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Solution

The fourth proportional to 816,101.40, 1,224,152.10 and 550,680.60 is: 826,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,101.40 : 1,224,152.10 = 550,680.60 : x
  2. Step 2: Convert to fraction form
    816,101.40/1,224,152.10 = 550,680.60/x
  3. Step 3: Cross multiply
    816,101.40x = 1,224,152.10 × 550,680.60
  4. Step 4: Simplify right side
    816,101.40x = 674,116,812,919.26
  5. Step 5: Solve for x
    x = 674,116,812,919.26/816,101.40
  6. Step 6: Final answer
    x = 826,020.90

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Double scale
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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.