Home / 736,357.84-1,102,765.28-419,855.20

Finding the Fourth Proportional to 736,357.84, 1,102,765.28 and 419,855.20

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Solution

The fourth proportional to 736,357.84, 1,102,765.28 and 419,855.20 is: 628,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,357.84 : 1,102,765.28 = 419,855.20 : x
  2. Step 2: Convert to fraction form
    736,357.84/1,102,765.28 = 419,855.20/x
  3. Step 3: Cross multiply
    736,357.84x = 1,102,765.28 × 419,855.20
  4. Step 4: Simplify right side
    736,357.84x = 463,001,737,187.46
  5. Step 5: Solve for x
    x = 463,001,737,187.46/736,357.84
  6. Step 6: Final answer
    x = 628,772.74

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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.