Home / 426,076.40-587,984.98-235,089.76

Finding the Fourth Proportional to 426,076.40, 587,984.98 and 235,089.76

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Solution

The fourth proportional to 426,076.40, 587,984.98 and 235,089.76 is: 324,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,076.40 : 587,984.98 = 235,089.76 : x
  2. Step 2: Convert to fraction form
    426,076.40/587,984.98 = 235,089.76/x
  3. Step 3: Cross multiply
    426,076.40x = 587,984.98 × 235,089.76
  4. Step 4: Simplify right side
    426,076.40x = 138,229,247,831.81
  5. Step 5: Solve for x
    x = 138,229,247,831.81/426,076.40
  6. Step 6: Final answer
    x = 324,423.62

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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.