Home / 426,428.67-588,480.75-235,454.16

Finding the Fourth Proportional to 426,428.67, 588,480.75 and 235,454.16

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Solution

The fourth proportional to 426,428.67, 588,480.75 and 235,454.16 is: 324,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,428.67 : 588,480.75 = 235,454.16 : x
  2. Step 2: Convert to fraction form
    426,428.67/588,480.75 = 235,454.16/x
  3. Step 3: Cross multiply
    426,428.67x = 588,480.75 × 235,454.16
  4. Step 4: Simplify right side
    426,428.67x = 138,560,240,667.42
  5. Step 5: Solve for x
    x = 138,560,240,667.42/426,428.67
  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.