Home / 523,961.36-723,066.70-285,497.36

Finding the Fourth Proportional to 523,961.36, 723,066.70 and 285,497.36

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Solution

The fourth proportional to 523,961.36, 723,066.70 and 285,497.36 is: 393,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,961.36 : 723,066.70 = 285,497.36 : x
  2. Step 2: Convert to fraction form
    523,961.36/723,066.70 = 285,497.36/x
  3. Step 3: Cross multiply
    523,961.36x = 723,066.70 × 285,497.36
  4. Step 4: Simplify right side
    523,961.36x = 206,433,633,953.91
  5. Step 5: Solve for x
    x = 206,433,633,953.91/523,961.36
  6. Step 6: Final answer
    x = 393,986.37

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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.