Home / 816,136.10-1,224,204.15-496,801.70

Finding the Fourth Proportional to 816,136.10, 1,224,204.15 and 496,801.70

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Solution

The fourth proportional to 816,136.10, 1,224,204.15 and 496,801.70 is: 745,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,136.10 : 1,224,204.15 = 496,801.70 : x
  2. Step 2: Convert to fraction form
    816,136.10/1,224,204.15 = 496,801.70/x
  3. Step 3: Cross multiply
    816,136.10x = 1,224,204.15 × 496,801.70
  4. Step 4: Simplify right side
    816,136.10x = 608,186,702,867.06
  5. Step 5: Solve for x
    x = 608,186,702,867.06/816,136.10
  6. Step 6: Final answer
    x = 745,202.55

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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.