Home / 735,132.60-1,102,115.70-402,708.60

Finding the Fourth Proportional to 735,132.60, 1,102,115.70 and 402,708.60

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Solution

The fourth proportional to 735,132.60, 1,102,115.70 and 402,708.60 is: 603,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,132.60 : 1,102,115.70 = 402,708.60 : x
  2. Step 2: Convert to fraction form
    735,132.60/1,102,115.70 = 402,708.60/x
  3. Step 3: Cross multiply
    735,132.60x = 1,102,115.70 × 402,708.60
  4. Step 4: Simplify right side
    735,132.60x = 443,831,470,585.02
  5. Step 5: Solve for x
    x = 443,831,470,585.02/735,132.60
  6. Step 6: Final answer
    x = 603,743.42

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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.