Home / 425,421.93-587,074.66-231,831.33

Finding the Fourth Proportional to 425,421.93, 587,074.66 and 231,831.33

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Solution

The fourth proportional to 425,421.93, 587,074.66 and 231,831.33 is: 319,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,421.93 : 587,074.66 = 231,831.33 : x
  2. Step 2: Convert to fraction form
    425,421.93/587,074.66 = 231,831.33/x
  3. Step 3: Cross multiply
    425,421.93x = 587,074.66 × 231,831.33
  4. Step 4: Simplify right side
    425,421.93x = 136,102,299,237.10
  5. Step 5: Solve for x
    x = 136,102,299,237.10/425,421.93
  6. Step 6: Final answer
    x = 319,923.09

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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.