Home / 1,010,921.85-1,392,701.27-704,442.06

Finding the Fourth Proportional to 1,010,921.85, 1,392,701.27 and 704,442.06

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Solution

The fourth proportional to 1,010,921.85, 1,392,701.27 and 704,442.06 is: 970,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,921.85 : 1,392,701.27 = 704,442.06 : x
  2. Step 2: Convert to fraction form
    1,010,921.85/1,392,701.27 = 704,442.06/x
  3. Step 3: Cross multiply
    1,010,921.85x = 1,392,701.27 × 704,442.06
  4. Step 4: Simplify right side
    1,010,921.85x = 981,077,348,081.21
  5. Step 5: Solve for x
    x = 981,077,348,081.21/1,010,921.85
  6. Step 6: Final answer
    x = 970,477.93

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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.