Home / 722,047.80-1,083,465.18-322,672.44

Finding the Fourth Proportional to 722,047.80, 1,083,465.18 and 322,672.44

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Solution

The fourth proportional to 722,047.80, 1,083,465.18 and 322,672.44 is: 484,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,047.80 : 1,083,465.18 = 322,672.44 : x
  2. Step 2: Convert to fraction form
    722,047.80/1,083,465.18 = 322,672.44/x
  3. Step 3: Cross multiply
    722,047.80x = 1,083,465.18 × 322,672.44
  4. Step 4: Simplify right side
    722,047.80x = 349,604,353,285.64
  5. Step 5: Solve for x
    x = 349,604,353,285.64/722,047.80
  6. Step 6: Final answer
    x = 484,184.50

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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.