Home / 695,983.19-960,411.33-409,447.91

Finding the Fourth Proportional to 695,983.19, 960,411.33 and 409,447.91

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Solution

The fourth proportional to 695,983.19, 960,411.33 and 409,447.91 is: 565,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,983.19 : 960,411.33 = 409,447.91 : x
  2. Step 2: Convert to fraction form
    695,983.19/960,411.33 = 409,447.91/x
  3. Step 3: Cross multiply
    695,983.19x = 960,411.33 × 409,447.91
  4. Step 4: Simplify right side
    695,983.19x = 393,238,414,209.85
  5. Step 5: Solve for x
    x = 393,238,414,209.85/695,983.19
  6. Step 6: Final answer
    x = 565,011.37

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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.