Home / 923,027.78-1,273,775.60-515,125.28

Finding the Fourth Proportional to 923,027.78, 1,273,775.60 and 515,125.28

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Solution

The fourth proportional to 923,027.78, 1,273,775.60 and 515,125.28 is: 710,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,027.78 : 1,273,775.60 = 515,125.28 : x
  2. Step 2: Convert to fraction form
    923,027.78/1,273,775.60 = 515,125.28/x
  3. Step 3: Cross multiply
    923,027.78x = 1,273,775.60 × 515,125.28
  4. Step 4: Simplify right side
    923,027.78x = 656,154,003,662.66
  5. Step 5: Solve for x
    x = 656,154,003,662.66/923,027.78
  6. Step 6: Final answer
    x = 710,871.35

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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.