Home / 426,818.32-589,021.20-235,844.08

Finding the Fourth Proportional to 426,818.32, 589,021.20 and 235,844.08

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Solution

The fourth proportional to 426,818.32, 589,021.20 and 235,844.08 is: 325,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,818.32 : 589,021.20 = 235,844.08 : x
  2. Step 2: Convert to fraction form
    426,818.32/589,021.20 = 235,844.08/x
  3. Step 3: Cross multiply
    426,818.32x = 589,021.20 × 235,844.08
  4. Step 4: Simplify right side
    426,818.32x = 138,917,163,014.50
  5. Step 5: Solve for x
    x = 138,917,163,014.50/426,818.32
  6. Step 6: Final answer
    x = 325,471.42

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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.