Home / 767,570.80-1,151,442.60-235,087.60

Finding the Fourth Proportional to 767,570.80, 1,151,442.60 and 235,087.60

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Solution

The fourth proportional to 767,570.80, 1,151,442.60 and 235,087.60 is: 352,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,570.80 : 1,151,442.60 = 235,087.60 : x
  2. Step 2: Convert to fraction form
    767,570.80/1,151,442.60 = 235,087.60/x
  3. Step 3: Cross multiply
    767,570.80x = 1,151,442.60 × 235,087.60
  4. Step 4: Simplify right side
    767,570.80x = 270,689,877,371.76
  5. Step 5: Solve for x
    x = 270,689,877,371.76/767,570.80
  6. Step 6: Final answer
    x = 352,657.86

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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.