Home / 668,001.84-1,001,788.92-218,600.88

Finding the Fourth Proportional to 668,001.84, 1,001,788.92 and 218,600.88

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Solution

The fourth proportional to 668,001.84, 1,001,788.92 and 218,600.88 is: 327,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,001.84 : 1,001,788.92 = 218,600.88 : x
  2. Step 2: Convert to fraction form
    668,001.84/1,001,788.92 = 218,600.88/x
  3. Step 3: Cross multiply
    668,001.84x = 1,001,788.92 × 218,600.88
  4. Step 4: Simplify right side
    668,001.84x = 218,991,939,486.25
  5. Step 5: Solve for x
    x = 218,991,939,486.25/668,001.84
  6. Step 6: Final answer
    x = 327,831.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.