Home / 923,611.37-1,274,605.34-515,699.42

Finding the Fourth Proportional to 923,611.37, 1,274,605.34 and 515,699.42

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Solution

The fourth proportional to 923,611.37, 1,274,605.34 and 515,699.42 is: 711,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,611.37 : 1,274,605.34 = 515,699.42 : x
  2. Step 2: Convert to fraction form
    923,611.37/1,274,605.34 = 515,699.42/x
  3. Step 3: Cross multiply
    923,611.37x = 1,274,605.34 × 515,699.42
  4. Step 4: Simplify right side
    923,611.37x = 657,313,225,615.38
  5. Step 5: Solve for x
    x = 657,313,225,615.38/923,611.37
  6. Step 6: Final answer
    x = 711,677.28

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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.