Home / 683,541.99-943,143.75-396,913.77

Finding the Fourth Proportional to 683,541.99, 943,143.75 and 396,913.77

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Solution

The fourth proportional to 683,541.99, 943,143.75 and 396,913.77 is: 547,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,541.99 : 943,143.75 = 396,913.77 : x
  2. Step 2: Convert to fraction form
    683,541.99/943,143.75 = 396,913.77/x
  3. Step 3: Cross multiply
    683,541.99x = 943,143.75 × 396,913.77
  4. Step 4: Simplify right side
    683,541.99x = 374,346,741,464.44
  5. Step 5: Solve for x
    x = 374,346,741,464.44/683,541.99
  6. Step 6: Final answer
    x = 547,657.27

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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.