Home / 692,661.80-1,036,629.52-580,468.70

Finding the Fourth Proportional to 692,661.80, 1,036,629.52 and 580,468.70

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Solution

The fourth proportional to 692,661.80, 1,036,629.52 and 580,468.70 is: 868,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,661.80 : 1,036,629.52 = 580,468.70 : x
  2. Step 2: Convert to fraction form
    692,661.80/1,036,629.52 = 580,468.70/x
  3. Step 3: Cross multiply
    692,661.80x = 1,036,629.52 × 580,468.70
  4. Step 4: Simplify right side
    692,661.80x = 601,730,989,856.02
  5. Step 5: Solve for x
    x = 601,730,989,856.02/692,661.80
  6. Step 6: Final answer
    x = 868,722.64

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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.