Home / 919,507.77-1,377,468.32-518,936.85

Finding the Fourth Proportional to 919,507.77, 1,377,468.32 and 518,936.85

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Solution

The fourth proportional to 919,507.77, 1,377,468.32 and 518,936.85 is: 777,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,507.77 : 1,377,468.32 = 518,936.85 : x
  2. Step 2: Convert to fraction form
    919,507.77/1,377,468.32 = 518,936.85/x
  3. Step 3: Cross multiply
    919,507.77x = 1,377,468.32 × 518,936.85
  4. Step 4: Simplify right side
    919,507.77x = 714,819,068,360.91
  5. Step 5: Solve for x
    x = 714,819,068,360.91/919,507.77
  6. Step 6: Final answer
    x = 777,393.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.