Home / 1,386,278.33-1,910,338.97-1,059,961.06

Finding the Fourth Proportional to 1,386,278.33, 1,910,338.97 and 1,059,961.06

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Solution

The fourth proportional to 1,386,278.33, 1,910,338.97 and 1,059,961.06 is: 1,460,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,278.33 : 1,910,338.97 = 1,059,961.06 : x
  2. Step 2: Convert to fraction form
    1,386,278.33/1,910,338.97 = 1,059,961.06/x
  3. Step 3: Cross multiply
    1,386,278.33x = 1,910,338.97 × 1,059,961.06
  4. Step 4: Simplify right side
    1,386,278.33x = 2,024,884,916,688.63
  5. Step 5: Solve for x
    x = 2,024,884,916,688.63/1,386,278.33
  6. Step 6: Final answer
    x = 1,460,662.61

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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.