Home / 939,440.42-1,408,561.22-619,222.58

Finding the Fourth Proportional to 939,440.42, 1,408,561.22 and 619,222.58

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Solution

The fourth proportional to 939,440.42, 1,408,561.22 and 619,222.58 is: 928,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,440.42 : 1,408,561.22 = 619,222.58 : x
  2. Step 2: Convert to fraction form
    939,440.42/1,408,561.22 = 619,222.58/x
  3. Step 3: Cross multiply
    939,440.42x = 1,408,561.22 × 619,222.58
  4. Step 4: Simplify right side
    939,440.42x = 872,212,902,597.43
  5. Step 5: Solve for x
    x = 872,212,902,597.43/939,440.42
  6. Step 6: Final answer
    x = 928,438.77

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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.