Home / 1,018,516.47-1,405,025.66-691,846.30

Finding the Fourth Proportional to 1,018,516.47, 1,405,025.66 and 691,846.30

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Solution

The fourth proportional to 1,018,516.47, 1,405,025.66 and 691,846.30 is: 954,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,516.47 : 1,405,025.66 = 691,846.30 : x
  2. Step 2: Convert to fraction form
    1,018,516.47/1,405,025.66 = 691,846.30/x
  3. Step 3: Cross multiply
    1,018,516.47x = 1,405,025.66 × 691,846.30
  4. Step 4: Simplify right side
    1,018,516.47x = 972,061,804,276.06
  5. Step 5: Solve for x
    x = 972,061,804,276.06/1,018,516.47
  6. Step 6: Final answer
    x = 954,389.87

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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.