Home / 1,090,174.04-1,635,136.50-291,517.87

Finding the Fourth Proportional to 1,090,174.04, 1,635,136.50 and 291,517.87

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Solution

The fourth proportional to 1,090,174.04, 1,635,136.50 and 291,517.87 is: 437,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,174.04 : 1,635,136.50 = 291,517.87 : x
  2. Step 2: Convert to fraction form
    1,090,174.04/1,635,136.50 = 291,517.87/x
  3. Step 3: Cross multiply
    1,090,174.04x = 1,635,136.50 × 291,517.87
  4. Step 4: Simplify right side
    1,090,174.04x = 476,671,504,093.82
  5. Step 5: Solve for x
    x = 476,671,504,093.82/1,090,174.04
  6. Step 6: Final answer
    x = 437,243.49

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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.