Home / 426,428.68-588,480.76-235,454.16

Finding the Fourth Proportional to 426,428.68, 588,480.76 and 235,454.16

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Solution

The fourth proportional to 426,428.68, 588,480.76 and 235,454.16 is: 324,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,428.68 : 588,480.76 = 235,454.16 : x
  2. Step 2: Convert to fraction form
    426,428.68/588,480.76 = 235,454.16/x
  3. Step 3: Cross multiply
    426,428.68x = 588,480.76 × 235,454.16
  4. Step 4: Simplify right side
    426,428.68x = 138,560,243,021.96
  5. Step 5: Solve for x
    x = 138,560,243,021.96/426,428.68
  6. Step 6: Final answer
    x = 324,931.81

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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.