Home / 1,072,628.36-1,479,014.12-684,934

Finding the Fourth Proportional to 1,072,628.36, 1,479,014.12 and 684,934

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Solution

The fourth proportional to 1,072,628.36, 1,479,014.12 and 684,934 is: 944,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,628.36 : 1,479,014.12 = 684,934 : x
  2. Step 2: Convert to fraction form
    1,072,628.36/1,479,014.12 = 684,934/x
  3. Step 3: Cross multiply
    1,072,628.36x = 1,479,014.12 × 684,934
  4. Step 4: Simplify right side
    1,072,628.36x = 1,013,027,057,268.08
  5. Step 5: Solve for x
    x = 1,013,027,057,268.08/1,072,628.36
  6. Step 6: Final answer
    x = 944,434.34

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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.