Home / 1,215,005.80-1,822,508.70-416,021.80

Finding the Fourth Proportional to 1,215,005.80, 1,822,508.70 and 416,021.80

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Solution

The fourth proportional to 1,215,005.80, 1,822,508.70 and 416,021.80 is: 624,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,005.80 : 1,822,508.70 = 416,021.80 : x
  2. Step 2: Convert to fraction form
    1,215,005.80/1,822,508.70 = 416,021.80/x
  3. Step 3: Cross multiply
    1,215,005.80x = 1,822,508.70 × 416,021.80
  4. Step 4: Simplify right side
    1,215,005.80x = 758,203,349,889.66
  5. Step 5: Solve for x
    x = 758,203,349,889.66/1,215,005.80
  6. Step 6: Final answer
    x = 624,032.70

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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.