Home / 735,447.60-1,102,912.20-262,148.40

Finding the Fourth Proportional to 735,447.60, 1,102,912.20 and 262,148.40

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Solution

The fourth proportional to 735,447.60, 1,102,912.20 and 262,148.40 is: 393,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,447.60 : 1,102,912.20 = 262,148.40 : x
  2. Step 2: Convert to fraction form
    735,447.60/1,102,912.20 = 262,148.40/x
  3. Step 3: Cross multiply
    735,447.60x = 1,102,912.20 × 262,148.40
  4. Step 4: Simplify right side
    735,447.60x = 289,126,668,570.48
  5. Step 5: Solve for x
    x = 289,126,668,570.48/735,447.60
  6. Step 6: Final answer
    x = 393,130.21

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1.5x scale

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.