Home / 923,552.45-1,274,490.28-515,661.22

Finding the Fourth Proportional to 923,552.45, 1,274,490.28 and 515,661.22

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Solution

The fourth proportional to 923,552.45, 1,274,490.28 and 515,661.22 is: 711,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,552.45 : 1,274,490.28 = 515,661.22 : x
  2. Step 2: Convert to fraction form
    923,552.45/1,274,490.28 = 515,661.22/x
  3. Step 3: Cross multiply
    923,552.45x = 1,274,490.28 × 515,661.22
  4. Step 4: Simplify right side
    923,552.45x = 657,205,214,900.63
  5. Step 5: Solve for x
    x = 657,205,214,900.63/923,552.45
  6. Step 6: Final answer
    x = 711,605.73

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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.