Home / 963,741.20-1,445,611.80-515,843.60

Finding the Fourth Proportional to 963,741.20, 1,445,611.80 and 515,843.60

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Solution

The fourth proportional to 963,741.20, 1,445,611.80 and 515,843.60 is: 773,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,741.20 : 1,445,611.80 = 515,843.60 : x
  2. Step 2: Convert to fraction form
    963,741.20/1,445,611.80 = 515,843.60/x
  3. Step 3: Cross multiply
    963,741.20x = 1,445,611.80 × 515,843.60
  4. Step 4: Simplify right side
    963,741.20x = 745,709,595,114.48
  5. Step 5: Solve for x
    x = 745,709,595,114.48/963,741.20
  6. Step 6: Final answer
    x = 773,765.40

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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.