Home / 749,336.40-1,034,099.32-409,826.48

Finding the Fourth Proportional to 749,336.40, 1,034,099.32 and 409,826.48

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Solution

The fourth proportional to 749,336.40, 1,034,099.32 and 409,826.48 is: 565,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,336.40 : 1,034,099.32 = 409,826.48 : x
  2. Step 2: Convert to fraction form
    749,336.40/1,034,099.32 = 409,826.48/x
  3. Step 3: Cross multiply
    749,336.40x = 1,034,099.32 × 409,826.48
  4. Step 4: Simplify right side
    749,336.40x = 423,801,284,285.99
  5. Step 5: Solve for x
    x = 423,801,284,285.99/749,336.40
  6. Step 6: Final answer
    x = 565,568.79

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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.