Home / 551,921.70-827,226.45-495,497.10

Finding the Fourth Proportional to 551,921.70, 827,226.45 and 495,497.10

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Solution

The fourth proportional to 551,921.70, 827,226.45 and 495,497.10 is: 742,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,921.70 : 827,226.45 = 495,497.10 : x
  2. Step 2: Convert to fraction form
    551,921.70/827,226.45 = 495,497.10/x
  3. Step 3: Cross multiply
    551,921.70x = 827,226.45 × 495,497.10
  4. Step 4: Simplify right side
    551,921.70x = 409,888,307,018.30
  5. Step 5: Solve for x
    x = 409,888,307,018.30/551,921.70
  6. Step 6: Final answer
    x = 742,656.63

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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.