Home / 1,472,628.67-2,032,153.31-828,010.42

Finding the Fourth Proportional to 1,472,628.67, 2,032,153.31 and 828,010.42

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Solution

The fourth proportional to 1,472,628.67, 2,032,153.31 and 828,010.42 is: 1,142,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,628.67 : 2,032,153.31 = 828,010.42 : x
  2. Step 2: Convert to fraction form
    1,472,628.67/2,032,153.31 = 828,010.42/x
  3. Step 3: Cross multiply
    1,472,628.67x = 2,032,153.31 × 828,010.42
  4. Step 4: Simplify right side
    1,472,628.67x = 1,682,644,112,707.13
  5. Step 5: Solve for x
    x = 1,682,644,112,707.13/1,472,628.67
  6. Step 6: Final answer
    x = 1,142,612.63

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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.