Home / 593,353.25-818,831.42-321,421.16

Finding the Fourth Proportional to 593,353.25, 818,831.42 and 321,421.16

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Solution

The fourth proportional to 593,353.25, 818,831.42 and 321,421.16 is: 443,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,353.25 : 818,831.42 = 321,421.16 : x
  2. Step 2: Convert to fraction form
    593,353.25/818,831.42 = 321,421.16/x
  3. Step 3: Cross multiply
    593,353.25x = 818,831.42 × 321,421.16
  4. Step 4: Simplify right side
    593,353.25x = 263,189,746,506.15
  5. Step 5: Solve for x
    x = 263,189,746,506.15/593,353.25
  6. Step 6: Final answer
    x = 443,563.34

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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.