Home / 923,550.68-1,274,487.48-515,658.80

Finding the Fourth Proportional to 923,550.68, 1,274,487.48 and 515,658.80

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Solution

The fourth proportional to 923,550.68, 1,274,487.48 and 515,658.80 is: 711,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,550.68 : 1,274,487.48 = 515,658.80 : x
  2. Step 2: Convert to fraction form
    923,550.68/1,274,487.48 = 515,658.80/x
  3. Step 3: Cross multiply
    923,550.68x = 1,274,487.48 × 515,658.80
  4. Step 4: Simplify right side
    923,550.68x = 657,200,684,551.82
  5. Step 5: Solve for x
    x = 657,200,684,551.82/923,550.68
  6. Step 6: Final answer
    x = 711,602.19

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.