Home / 834,033.50-1,151,089.19-528,137.81

Finding the Fourth Proportional to 834,033.50, 1,151,089.19 and 528,137.81

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Solution

The fourth proportional to 834,033.50, 1,151,089.19 and 528,137.81 is: 728,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,033.50 : 1,151,089.19 = 528,137.81 : x
  2. Step 2: Convert to fraction form
    834,033.50/1,151,089.19 = 528,137.81/x
  3. Step 3: Cross multiply
    834,033.50x = 1,151,089.19 × 528,137.81
  4. Step 4: Simplify right side
    834,033.50x = 607,933,723,921.27
  5. Step 5: Solve for x
    x = 607,933,723,921.27/834,033.50
  6. Step 6: Final answer
    x = 728,908.04

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1.5x scale

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.