Home / 843,064.62-1,163,400.30-480,605.20

Finding the Fourth Proportional to 843,064.62, 1,163,400.30 and 480,605.20

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Solution

The fourth proportional to 843,064.62, 1,163,400.30 and 480,605.20 is: 663,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,064.62 : 1,163,400.30 = 480,605.20 : x
  2. Step 2: Convert to fraction form
    843,064.62/1,163,400.30 = 480,605.20/x
  3. Step 3: Cross multiply
    843,064.62x = 1,163,400.30 × 480,605.20
  4. Step 4: Simplify right side
    843,064.62x = 559,136,233,861.56
  5. Step 5: Solve for x
    x = 559,136,233,861.56/843,064.62
  6. Step 6: Final answer
    x = 663,218.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.