Home / 592,378.91-816,632.66-422,317.79

Finding the Fourth Proportional to 592,378.91, 816,632.66 and 422,317.79

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Solution

The fourth proportional to 592,378.91, 816,632.66 and 422,317.79 is: 582,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,378.91 : 816,632.66 = 422,317.79 : x
  2. Step 2: Convert to fraction form
    592,378.91/816,632.66 = 422,317.79/x
  3. Step 3: Cross multiply
    592,378.91x = 816,632.66 × 422,317.79
  4. Step 4: Simplify right side
    592,378.91x = 344,878,498,101.43
  5. Step 5: Solve for x
    x = 344,878,498,101.43/592,378.91
  6. Step 6: Final answer
    x = 582,192.40

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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.