Home / 426,813.20-589,001-235,825.23

Finding the Fourth Proportional to 426,813.20, 589,001 and 235,825.23

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Solution

The fourth proportional to 426,813.20, 589,001 and 235,825.23 is: 325,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,813.20 : 589,001 = 235,825.23 : x
  2. Step 2: Convert to fraction form
    426,813.20/589,001 = 235,825.23/x
  3. Step 3: Cross multiply
    426,813.20x = 589,001 × 235,825.23
  4. Step 4: Simplify right side
    426,813.20x = 138,901,293,350.23
  5. Step 5: Solve for x
    x = 138,901,293,350.23/426,813.20
  6. Step 6: Final answer
    x = 325,438.14

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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.