Home / 923,611.56-1,274,605.59-515,699.61

Finding the Fourth Proportional to 923,611.56, 1,274,605.59 and 515,699.61

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Solution

The fourth proportional to 923,611.56, 1,274,605.59 and 515,699.61 is: 711,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,611.56 : 1,274,605.59 = 515,699.61 : x
  2. Step 2: Convert to fraction form
    923,611.56/1,274,605.59 = 515,699.61/x
  3. Step 3: Cross multiply
    923,611.56x = 1,274,605.59 × 515,699.61
  4. Step 4: Simplify right side
    923,611.56x = 657,313,605,666.82
  5. Step 5: Solve for x
    x = 657,313,605,666.82/923,611.56
  6. Step 6: Final answer
    x = 711,677.54

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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.