Home / 735,122.60-1,102,100.70-402,698.60

Finding the Fourth Proportional to 735,122.60, 1,102,100.70 and 402,698.60

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Solution

The fourth proportional to 735,122.60, 1,102,100.70 and 402,698.60 is: 603,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,122.60 : 1,102,100.70 = 402,698.60 : x
  2. Step 2: Convert to fraction form
    735,122.60/1,102,100.70 = 402,698.60/x
  3. Step 3: Cross multiply
    735,122.60x = 1,102,100.70 × 402,698.60
  4. Step 4: Simplify right side
    735,122.60x = 443,814,408,949.02
  5. Step 5: Solve for x
    x = 443,814,408,949.02/735,122.60
  6. Step 6: Final answer
    x = 603,728.42

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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.