Home / 671,103.51-1,006,812.93-221,824.40

Finding the Fourth Proportional to 671,103.51, 1,006,812.93 and 221,824.40

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Solution

The fourth proportional to 671,103.51, 1,006,812.93 and 221,824.40 is: 332,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,103.51 : 1,006,812.93 = 221,824.40 : x
  2. Step 2: Convert to fraction form
    671,103.51/1,006,812.93 = 221,824.40/x
  3. Step 3: Cross multiply
    671,103.51x = 1,006,812.93 × 221,824.40
  4. Step 4: Simplify right side
    671,103.51x = 223,335,674,109.49
  5. Step 5: Solve for x
    x = 223,335,674,109.49/671,103.51
  6. Step 6: Final answer
    x = 332,788.71

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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.