Home / 923,008.13-1,273,815.11-515,189.33

Finding the Fourth Proportional to 923,008.13, 1,273,815.11 and 515,189.33

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Solution

The fourth proportional to 923,008.13, 1,273,815.11 and 515,189.33 is: 710,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,008.13 : 1,273,815.11 = 515,189.33 : x
  2. Step 2: Convert to fraction form
    923,008.13/1,273,815.11 = 515,189.33/x
  3. Step 3: Cross multiply
    923,008.13x = 1,273,815.11 × 515,189.33
  4. Step 4: Simplify right side
    923,008.13x = 656,255,944,119.75
  5. Step 5: Solve for x
    x = 656,255,944,119.75/923,008.13
  6. Step 6: Final answer
    x = 710,996.93

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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.