Home / 869,863.56-1,200,413.88-507,536.52

Finding the Fourth Proportional to 869,863.56, 1,200,413.88 and 507,536.52

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Solution

The fourth proportional to 869,863.56, 1,200,413.88 and 507,536.52 is: 700,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,863.56 : 1,200,413.88 = 507,536.52 : x
  2. Step 2: Convert to fraction form
    869,863.56/1,200,413.88 = 507,536.52/x
  3. Step 3: Cross multiply
    869,863.56x = 1,200,413.88 × 507,536.52
  4. Step 4: Simplify right side
    869,863.56x = 609,253,883,214.90
  5. Step 5: Solve for x
    x = 609,253,883,214.90/869,863.56
  6. Step 6: Final answer
    x = 700,401.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.