Home / 923,315.76-1,274,214.24-515,440.26

Finding the Fourth Proportional to 923,315.76, 1,274,214.24 and 515,440.26

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Solution

The fourth proportional to 923,315.76, 1,274,214.24 and 515,440.26 is: 711,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,315.76 : 1,274,214.24 = 515,440.26 : x
  2. Step 2: Convert to fraction form
    923,315.76/1,274,214.24 = 515,440.26/x
  3. Step 3: Cross multiply
    923,315.76x = 1,274,214.24 × 515,440.26
  4. Step 4: Simplify right side
    923,315.76x = 656,781,319,161.30
  5. Step 5: Solve for x
    x = 656,781,319,161.30/923,315.76
  6. Step 6: Final answer
    x = 711,329.05

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Double scale
Find fourth proportional to 923,316.76, 1,274,215.62 and 515,441.26
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.