Home / 819,778.76-1,131,752.03-575,513.07

Finding the Fourth Proportional to 819,778.76, 1,131,752.03 and 575,513.07

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Solution

The fourth proportional to 819,778.76, 1,131,752.03 and 575,513.07 is: 794,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,778.76 : 1,131,752.03 = 575,513.07 : x
  2. Step 2: Convert to fraction form
    819,778.76/1,131,752.03 = 575,513.07/x
  3. Step 3: Cross multiply
    819,778.76x = 1,131,752.03 × 575,513.07
  4. Step 4: Simplify right side
    819,778.76x = 651,338,087,893.91
  5. Step 5: Solve for x
    x = 651,338,087,893.91/819,778.76
  6. Step 6: Final answer
    x = 794,529.11

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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.