Home / 1,019,643.86-1,529,138.34-336,377.12

Finding the Fourth Proportional to 1,019,643.86, 1,529,138.34 and 336,377.12

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Solution

The fourth proportional to 1,019,643.86, 1,529,138.34 and 336,377.12 is: 504,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,643.86 : 1,529,138.34 = 336,377.12 : x
  2. Step 2: Convert to fraction form
    1,019,643.86/1,529,138.34 = 336,377.12/x
  3. Step 3: Cross multiply
    1,019,643.86x = 1,529,138.34 × 336,377.12
  4. Step 4: Simplify right side
    1,019,643.86x = 514,367,150,890.78
  5. Step 5: Solve for x
    x = 514,367,150,890.78/1,019,643.86
  6. Step 6: Final answer
    x = 504,457.66

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Double scale
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Similar ratio
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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.