Home / 699,134.87-1,047,745.48-528,216.06

Finding the Fourth Proportional to 699,134.87, 1,047,745.48 and 528,216.06

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Solution

The fourth proportional to 699,134.87, 1,047,745.48 and 528,216.06 is: 791,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,134.87 : 1,047,745.48 = 528,216.06 : x
  2. Step 2: Convert to fraction form
    699,134.87/1,047,745.48 = 528,216.06/x
  3. Step 3: Cross multiply
    699,134.87x = 1,047,745.48 × 528,216.06
  4. Step 4: Simplify right side
    699,134.87x = 553,435,989,980.54
  5. Step 5: Solve for x
    x = 553,435,989,980.54/699,134.87
  6. Step 6: Final answer
    x = 791,601.18

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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.