Home / 816,498.20-1,224,747.30-373,266.20

Finding the Fourth Proportional to 816,498.20, 1,224,747.30 and 373,266.20

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Solution

The fourth proportional to 816,498.20, 1,224,747.30 and 373,266.20 is: 559,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,498.20 : 1,224,747.30 = 373,266.20 : x
  2. Step 2: Convert to fraction form
    816,498.20/1,224,747.30 = 373,266.20/x
  3. Step 3: Cross multiply
    816,498.20x = 1,224,747.30 × 373,266.20
  4. Step 4: Simplify right side
    816,498.20x = 457,156,770,631.26
  5. Step 5: Solve for x
    x = 457,156,770,631.26/816,498.20
  6. Step 6: Final answer
    x = 559,899.30

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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.