Home / 1,010,370.26-1,394,211.69-557,632.10

Finding the Fourth Proportional to 1,010,370.26, 1,394,211.69 and 557,632.10

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Solution

The fourth proportional to 1,010,370.26, 1,394,211.69 and 557,632.10 is: 769,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,370.26 : 1,394,211.69 = 557,632.10 : x
  2. Step 2: Convert to fraction form
    1,010,370.26/1,394,211.69 = 557,632.10/x
  3. Step 3: Cross multiply
    1,010,370.26x = 1,394,211.69 × 557,632.10
  4. Step 4: Simplify right side
    1,010,370.26x = 777,457,192,539.25
  5. Step 5: Solve for x
    x = 777,457,192,539.25/1,010,370.26
  6. Step 6: Final answer
    x = 769,477.51

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Double scale
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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.