Home / 426,149-588,085.08-235,162.40

Finding the Fourth Proportional to 426,149, 588,085.08 and 235,162.40

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Solution

The fourth proportional to 426,149, 588,085.08 and 235,162.40 is: 324,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,149 : 588,085.08 = 235,162.40 : x
  2. Step 2: Convert to fraction form
    426,149/588,085.08 = 235,162.40/x
  3. Step 3: Cross multiply
    426,149x = 588,085.08 × 235,162.40
  4. Step 4: Simplify right side
    426,149x = 138,295,498,816.99
  5. Step 5: Solve for x
    x = 138,295,498,816.99/426,149
  6. Step 6: Final answer
    x = 324,523.81

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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.