Home / 816,101.70-1,224,152.55-606,149.70

Finding the Fourth Proportional to 816,101.70, 1,224,152.55 and 606,149.70

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Solution

The fourth proportional to 816,101.70, 1,224,152.55 and 606,149.70 is: 909,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,101.70 : 1,224,152.55 = 606,149.70 : x
  2. Step 2: Convert to fraction form
    816,101.70/1,224,152.55 = 606,149.70/x
  3. Step 3: Cross multiply
    816,101.70x = 1,224,152.55 × 606,149.70
  4. Step 4: Simplify right side
    816,101.70x = 742,019,700,936.74
  5. Step 5: Solve for x
    x = 742,019,700,936.74/816,101.70
  6. Step 6: Final answer
    x = 909,224.55

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Double scale
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Similar ratio
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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.