Home / 923,866.76-1,274,204.22-561,280.39

Finding the Fourth Proportional to 923,866.76, 1,274,204.22 and 561,280.39

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Solution

The fourth proportional to 923,866.76, 1,274,204.22 and 561,280.39 is: 774,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,866.76 : 1,274,204.22 = 561,280.39 : x
  2. Step 2: Convert to fraction form
    923,866.76/1,274,204.22 = 561,280.39/x
  3. Step 3: Cross multiply
    923,866.76x = 1,274,204.22 × 561,280.39
  4. Step 4: Simplify right side
    923,866.76x = 715,185,836,250.93
  5. Step 5: Solve for x
    x = 715,185,836,250.93/923,866.76
  6. Step 6: Final answer
    x = 774,122.27

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Half scale
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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.