Home / 1,081,400.51-1,622,262.01-398,234.82

Finding the Fourth Proportional to 1,081,400.51, 1,622,262.01 and 398,234.82

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Solution

The fourth proportional to 1,081,400.51, 1,622,262.01 and 398,234.82 is: 597,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,400.51 : 1,622,262.01 = 398,234.82 : x
  2. Step 2: Convert to fraction form
    1,081,400.51/1,622,262.01 = 398,234.82/x
  3. Step 3: Cross multiply
    1,081,400.51x = 1,622,262.01 × 398,234.82
  4. Step 4: Simplify right side
    1,081,400.51x = 646,041,219,545.19
  5. Step 5: Solve for x
    x = 646,041,219,545.19/1,081,400.51
  6. Step 6: Final answer
    x = 597,411.61

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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.