Home / 1,015,540.20-1,401,442.56-562,831.20

Finding the Fourth Proportional to 1,015,540.20, 1,401,442.56 and 562,831.20

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Solution

The fourth proportional to 1,015,540.20, 1,401,442.56 and 562,831.20 is: 776,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,540.20 : 1,401,442.56 = 562,831.20 : x
  2. Step 2: Convert to fraction form
    1,015,540.20/1,401,442.56 = 562,831.20/x
  3. Step 3: Cross multiply
    1,015,540.20x = 1,401,442.56 × 562,831.20
  4. Step 4: Simplify right side
    1,015,540.20x = 788,775,597,775.87
  5. Step 5: Solve for x
    x = 788,775,597,775.87/1,015,540.20
  6. Step 6: Final answer
    x = 776,705.44

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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.