Home / 1,022,553.07-1,411,111.76-557,396.75

Finding the Fourth Proportional to 1,022,553.07, 1,411,111.76 and 557,396.75

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Solution

The fourth proportional to 1,022,553.07, 1,411,111.76 and 557,396.75 is: 769,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,553.07 : 1,411,111.76 = 557,396.75 : x
  2. Step 2: Convert to fraction form
    1,022,553.07/1,411,111.76 = 557,396.75/x
  3. Step 3: Cross multiply
    1,022,553.07x = 1,411,111.76 × 557,396.75
  4. Step 4: Simplify right side
    1,022,553.07x = 786,549,109,651.58
  5. Step 5: Solve for x
    x = 786,549,109,651.58/1,022,553.07
  6. Step 6: Final answer
    x = 769,201.26

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1.5x scale

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.