Home / 934,161.68-1,288,876.41-526,120.81

Finding the Fourth Proportional to 934,161.68, 1,288,876.41 and 526,120.81

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Solution

The fourth proportional to 934,161.68, 1,288,876.41 and 526,120.81 is: 725,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,161.68 : 1,288,876.41 = 526,120.81 : x
  2. Step 2: Convert to fraction form
    934,161.68/1,288,876.41 = 526,120.81/x
  3. Step 3: Cross multiply
    934,161.68x = 1,288,876.41 × 526,120.81
  4. Step 4: Simplify right side
    934,161.68x = 678,104,700,819.09
  5. Step 5: Solve for x
    x = 678,104,700,819.09/934,161.68
  6. Step 6: Final answer
    x = 725,896.51

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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.