Home / 755,879.39-1,043,115.00-411,714.25

Finding the Fourth Proportional to 755,879.39, 1,043,115.00 and 411,714.25

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Solution

The fourth proportional to 755,879.39, 1,043,115.00 and 411,714.25 is: 568,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,879.39 : 1,043,115.00 = 411,714.25 : x
  2. Step 2: Convert to fraction form
    755,879.39/1,043,115.00 = 411,714.25/x
  3. Step 3: Cross multiply
    755,879.39x = 1,043,115.00 × 411,714.25
  4. Step 4: Simplify right side
    755,879.39x = 429,465,311,421.02
  5. Step 5: Solve for x
    x = 429,465,311,421.02/755,879.39
  6. Step 6: Final answer
    x = 568,166.45

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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.