Home / 939,442.42-1,408,564.21-619,224.58

Finding the Fourth Proportional to 939,442.42, 1,408,564.21 and 619,224.58

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Solution

The fourth proportional to 939,442.42, 1,408,564.21 and 619,224.58 is: 928,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,442.42 : 1,408,564.21 = 619,224.58 : x
  2. Step 2: Convert to fraction form
    939,442.42/1,408,564.21 = 619,224.58/x
  3. Step 3: Cross multiply
    939,442.42x = 1,408,564.21 × 619,224.58
  4. Step 4: Simplify right side
    939,442.42x = 872,217,581,340.28
  5. Step 5: Solve for x
    x = 872,217,581,340.28/939,442.42
  6. Step 6: Final answer
    x = 928,441.77

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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.