Home / 427,324.55-589,889.45-266,259.17

Finding the Fourth Proportional to 427,324.55, 589,889.45 and 266,259.17

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Solution

The fourth proportional to 427,324.55, 589,889.45 and 266,259.17 is: 367,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,324.55 : 589,889.45 = 266,259.17 : x
  2. Step 2: Convert to fraction form
    427,324.55/589,889.45 = 266,259.17/x
  3. Step 3: Cross multiply
    427,324.55x = 589,889.45 × 266,259.17
  4. Step 4: Simplify right side
    427,324.55x = 157,063,474,017.46
  5. Step 5: Solve for x
    x = 157,063,474,017.46/427,324.55
  6. Step 6: Final answer
    x = 367,550.79

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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.