Home / 689,440.37-1,033,950.20-554,183.55

Finding the Fourth Proportional to 689,440.37, 1,033,950.20 and 554,183.55

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Solution

The fourth proportional to 689,440.37, 1,033,950.20 and 554,183.55 is: 831,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,440.37 : 1,033,950.20 = 554,183.55 : x
  2. Step 2: Convert to fraction form
    689,440.37/1,033,950.20 = 554,183.55/x
  3. Step 3: Cross multiply
    689,440.37x = 1,033,950.20 × 554,183.55
  4. Step 4: Simplify right side
    689,440.37x = 572,998,189,588.29
  5. Step 5: Solve for x
    x = 572,998,189,588.29/689,440.37
  6. Step 6: Final answer
    x = 831,106.24

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1.5x scale

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.