Home / 1,090,176.04-1,635,139.49-291,519.87

Finding the Fourth Proportional to 1,090,176.04, 1,635,139.49 and 291,519.87

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Solution

The fourth proportional to 1,090,176.04, 1,635,139.49 and 291,519.87 is: 437,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,176.04 : 1,635,139.49 = 291,519.87 : x
  2. Step 2: Convert to fraction form
    1,090,176.04/1,635,139.49 = 291,519.87/x
  3. Step 3: Cross multiply
    1,090,176.04x = 1,635,139.49 × 291,519.87
  4. Step 4: Simplify right side
    1,090,176.04x = 476,675,651,556.67
  5. Step 5: Solve for x
    x = 476,675,651,556.67/1,090,176.04
  6. Step 6: Final answer
    x = 437,246.49

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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.