Home / 671,668.28-926,831.76-381,187.34

Finding the Fourth Proportional to 671,668.28, 926,831.76 and 381,187.34

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Solution

The fourth proportional to 671,668.28, 926,831.76 and 381,187.34 is: 525,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,668.28 : 926,831.76 = 381,187.34 : x
  2. Step 2: Convert to fraction form
    671,668.28/926,831.76 = 381,187.34/x
  3. Step 3: Cross multiply
    671,668.28x = 926,831.76 × 381,187.34
  4. Step 4: Simplify right side
    671,668.28x = 353,296,533,221.92
  5. Step 5: Solve for x
    x = 353,296,533,221.92/671,668.28
  6. Step 6: Final answer
    x = 525,998.54

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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.