Home / 923,906.25-1,274,864.67-515,955.96

Finding the Fourth Proportional to 923,906.25, 1,274,864.67 and 515,955.96

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Solution

The fourth proportional to 923,906.25, 1,274,864.67 and 515,955.96 is: 711,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,906.25 : 1,274,864.67 = 515,955.96 : x
  2. Step 2: Convert to fraction form
    923,906.25/1,274,864.67 = 515,955.96/x
  3. Step 3: Cross multiply
    923,906.25x = 1,274,864.67 × 515,955.96
  4. Step 4: Simplify right side
    923,906.25x = 657,774,024,679.93
  5. Step 5: Solve for x
    x = 657,774,024,679.93/923,906.25
  6. Step 6: Final answer
    x = 711,948.89

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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.