Home / 426,834.72-589,023.36-235,843.20

Finding the Fourth Proportional to 426,834.72, 589,023.36 and 235,843.20

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Solution

The fourth proportional to 426,834.72, 589,023.36 and 235,843.20 is: 325,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,834.72 : 589,023.36 = 235,843.20 : x
  2. Step 2: Convert to fraction form
    426,834.72/589,023.36 = 235,843.20/x
  3. Step 3: Cross multiply
    426,834.72x = 589,023.36 × 235,843.20
  4. Step 4: Simplify right side
    426,834.72x = 138,917,154,097.15
  5. Step 5: Solve for x
    x = 138,917,154,097.15/426,834.72
  6. Step 6: Final answer
    x = 325,458.89

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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.