Home / 1,187,226-1,638,475.56-650,785.68

Finding the Fourth Proportional to 1,187,226, 1,638,475.56 and 650,785.68

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Solution

The fourth proportional to 1,187,226, 1,638,475.56 and 650,785.68 is: 898,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,226 : 1,638,475.56 = 650,785.68 : x
  2. Step 2: Convert to fraction form
    1,187,226/1,638,475.56 = 650,785.68/x
  3. Step 3: Cross multiply
    1,187,226x = 1,638,475.56 × 650,785.68
  4. Step 4: Simplify right side
    1,187,226x = 1,066,296,431,477.98
  5. Step 5: Solve for x
    x = 1,066,296,431,477.98/1,187,226
  6. Step 6: Final answer
    x = 898,141.07

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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.