Home / 851,859.20-1,276,233.60-693,228.80

Finding the Fourth Proportional to 851,859.20, 1,276,233.60 and 693,228.80

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Solution

The fourth proportional to 851,859.20, 1,276,233.60 and 693,228.80 is: 1,038,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,859.20 : 1,276,233.60 = 693,228.80 : x
  2. Step 2: Convert to fraction form
    851,859.20/1,276,233.60 = 693,228.80/x
  3. Step 3: Cross multiply
    851,859.20x = 1,276,233.60 × 693,228.80
  4. Step 4: Simplify right side
    851,859.20x = 884,721,887,047.68
  5. Step 5: Solve for x
    x = 884,721,887,047.68/851,859.20
  6. Step 6: Final answer
    x = 1,038,577.60

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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.