Home / 1,001,828.98-1,382,665.77-619,978.78

Finding the Fourth Proportional to 1,001,828.98, 1,382,665.77 and 619,978.78

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Solution

The fourth proportional to 1,001,828.98, 1,382,665.77 and 619,978.78 is: 855,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,828.98 : 1,382,665.77 = 619,978.78 : x
  2. Step 2: Convert to fraction form
    1,001,828.98/1,382,665.77 = 619,978.78/x
  3. Step 3: Cross multiply
    1,001,828.98x = 1,382,665.77 × 619,978.78
  4. Step 4: Simplify right side
    1,001,828.98x = 857,223,437,232.36
  5. Step 5: Solve for x
    x = 857,223,437,232.36/1,001,828.98
  6. Step 6: Final answer
    x = 855,658.46

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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.