Home / 772,104.40-1,159,193.40-492,859.60

Finding the Fourth Proportional to 772,104.40, 1,159,193.40 and 492,859.60

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Solution

The fourth proportional to 772,104.40, 1,159,193.40 and 492,859.60 is: 739,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,104.40 : 1,159,193.40 = 492,859.60 : x
  2. Step 2: Convert to fraction form
    772,104.40/1,159,193.40 = 492,859.60/x
  3. Step 3: Cross multiply
    772,104.40x = 1,159,193.40 × 492,859.60
  4. Step 4: Simplify right side
    772,104.40x = 571,319,595,446.64
  5. Step 5: Solve for x
    x = 571,319,595,446.64/772,104.40
  6. Step 6: Final answer
    x = 739,951.22

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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.