Home / 1,010,330.56-1,394,249.28-557,621.60

Finding the Fourth Proportional to 1,010,330.56, 1,394,249.28 and 557,621.60

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Solution

The fourth proportional to 1,010,330.56, 1,394,249.28 and 557,621.60 is: 769,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,330.56 : 1,394,249.28 = 557,621.60 : x
  2. Step 2: Convert to fraction form
    1,010,330.56/1,394,249.28 = 557,621.60/x
  3. Step 3: Cross multiply
    1,010,330.56x = 1,394,249.28 × 557,621.60
  4. Step 4: Simplify right side
    1,010,330.56x = 777,463,514,312.45
  5. Step 5: Solve for x
    x = 777,463,514,312.45/1,010,330.56
  6. Step 6: Final answer
    x = 769,514.00

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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.