Home / 1,090,160.69-1,635,116.24-291,504.51

Finding the Fourth Proportional to 1,090,160.69, 1,635,116.24 and 291,504.51

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Solution

The fourth proportional to 1,090,160.69, 1,635,116.24 and 291,504.51 is: 437,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,160.69 : 1,635,116.24 = 291,504.51 : x
  2. Step 2: Convert to fraction form
    1,090,160.69/1,635,116.24 = 291,504.51/x
  3. Step 3: Cross multiply
    1,090,160.69x = 1,635,116.24 × 291,504.51
  4. Step 4: Simplify right side
    1,090,160.69x = 476,643,756,876.72
  5. Step 5: Solve for x
    x = 476,643,756,876.72/1,090,160.69
  6. Step 6: Final answer
    x = 437,223.40

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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.