Home / 768,804.90-1,153,225.58-236,330.55

Finding the Fourth Proportional to 768,804.90, 1,153,225.58 and 236,330.55

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Solution

The fourth proportional to 768,804.90, 1,153,225.58 and 236,330.55 is: 354,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,804.90 : 1,153,225.58 = 236,330.55 : x
  2. Step 2: Convert to fraction form
    768,804.90/1,153,225.58 = 236,330.55/x
  3. Step 3: Cross multiply
    768,804.90x = 1,153,225.58 × 236,330.55
  4. Step 4: Simplify right side
    768,804.90x = 272,542,434,413.82
  5. Step 5: Solve for x
    x = 272,542,434,413.82/768,804.90
  6. Step 6: Final answer
    x = 354,501.43

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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.