Home / 984,734.34-1,358,893.86-555,103.44

Finding the Fourth Proportional to 984,734.34, 1,358,893.86 and 555,103.44

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Solution

The fourth proportional to 984,734.34, 1,358,893.86 and 555,103.44 is: 766,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,734.34 : 1,358,893.86 = 555,103.44 : x
  2. Step 2: Convert to fraction form
    984,734.34/1,358,893.86 = 555,103.44/x
  3. Step 3: Cross multiply
    984,734.34x = 1,358,893.86 × 555,103.44
  4. Step 4: Simplify right side
    984,734.34x = 754,326,656,280.88
  5. Step 5: Solve for x
    x = 754,326,656,280.88/984,734.34
  6. Step 6: Final answer
    x = 766,020.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.