Home / 1,090,331.80-1,635,497.70-557,675.80

Finding the Fourth Proportional to 1,090,331.80, 1,635,497.70 and 557,675.80

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Solution

The fourth proportional to 1,090,331.80, 1,635,497.70 and 557,675.80 is: 836,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,331.80 : 1,635,497.70 = 557,675.80 : x
  2. Step 2: Convert to fraction form
    1,090,331.80/1,635,497.70 = 557,675.80/x
  3. Step 3: Cross multiply
    1,090,331.80x = 1,635,497.70 × 557,675.80
  4. Step 4: Simplify right side
    1,090,331.80x = 912,077,488,245.66
  5. Step 5: Solve for x
    x = 912,077,488,245.66/1,090,331.80
  6. Step 6: Final answer
    x = 836,513.70

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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.