Home / 1,401,941.76-1,934,719.74-781,761.24

Finding the Fourth Proportional to 1,401,941.76, 1,934,719.74 and 781,761.24

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Solution

The fourth proportional to 1,401,941.76, 1,934,719.74 and 781,761.24 is: 1,078,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,941.76 : 1,934,719.74 = 781,761.24 : x
  2. Step 2: Convert to fraction form
    1,401,941.76/1,934,719.74 = 781,761.24/x
  3. Step 3: Cross multiply
    1,401,941.76x = 1,934,719.74 × 781,761.24
  4. Step 4: Simplify right side
    1,401,941.76x = 1,512,488,902,994.88
  5. Step 5: Solve for x
    x = 1,512,488,902,994.88/1,401,941.76
  6. Step 6: Final answer
    x = 1,078,852.88

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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.