Home / 685,831.16-1,024,575.43-443,974.76

Finding the Fourth Proportional to 685,831.16, 1,024,575.43 and 443,974.76

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Solution

The fourth proportional to 685,831.16, 1,024,575.43 and 443,974.76 is: 663,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,831.16 : 1,024,575.43 = 443,974.76 : x
  2. Step 2: Convert to fraction form
    685,831.16/1,024,575.43 = 443,974.76/x
  3. Step 3: Cross multiply
    685,831.16x = 1,024,575.43 × 443,974.76
  4. Step 4: Simplify right side
    685,831.16x = 454,885,628,416.27
  5. Step 5: Solve for x
    x = 454,885,628,416.27/685,831.16
  6. Step 6: Final answer
    x = 663,261.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.