Home / 803,514.96-1,108,677.44-463,786.38

Finding the Fourth Proportional to 803,514.96, 1,108,677.44 and 463,786.38

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Solution

The fourth proportional to 803,514.96, 1,108,677.44 and 463,786.38 is: 639,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,514.96 : 1,108,677.44 = 463,786.38 : x
  2. Step 2: Convert to fraction form
    803,514.96/1,108,677.44 = 463,786.38/x
  3. Step 3: Cross multiply
    803,514.96x = 1,108,677.44 × 463,786.38
  4. Step 4: Simplify right side
    803,514.96x = 514,189,498,806.27
  5. Step 5: Solve for x
    x = 514,189,498,806.27/803,514.96
  6. Step 6: Final answer
    x = 639,925.23

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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.