Home / 1,010,382.72-1,394,319.24-557,664

Finding the Fourth Proportional to 1,010,382.72, 1,394,319.24 and 557,664

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Solution

The fourth proportional to 1,010,382.72, 1,394,319.24 and 557,664 is: 769,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,382.72 : 1,394,319.24 = 557,664 : x
  2. Step 2: Convert to fraction form
    1,010,382.72/1,394,319.24 = 557,664/x
  3. Step 3: Cross multiply
    1,010,382.72x = 1,394,319.24 × 557,664
  4. Step 4: Simplify right side
    1,010,382.72x = 777,561,644,655.36
  5. Step 5: Solve for x
    x = 777,561,644,655.36/1,010,382.72
  6. Step 6: Final answer
    x = 769,571.40

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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.