Home / 1,019,118.05-1,529,009.22-513,640.15

Finding the Fourth Proportional to 1,019,118.05, 1,529,009.22 and 513,640.15

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Solution

The fourth proportional to 1,019,118.05, 1,529,009.22 and 513,640.15 is: 770,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,118.05 : 1,529,009.22 = 513,640.15 : x
  2. Step 2: Convert to fraction form
    1,019,118.05/1,529,009.22 = 513,640.15/x
  3. Step 3: Cross multiply
    1,019,118.05x = 1,529,009.22 × 513,640.15
  4. Step 4: Simplify right side
    1,019,118.05x = 785,360,514,898.94
  5. Step 5: Solve for x
    x = 785,360,514,898.94/1,019,118.05
  6. Step 6: Final answer
    x = 770,627.62

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Double scale
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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.