Home / 1,681,763.52-2,320,883.52-917,866.56

Finding the Fourth Proportional to 1,681,763.52, 2,320,883.52 and 917,866.56

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Solution

The fourth proportional to 1,681,763.52, 2,320,883.52 and 917,866.56 is: 1,266,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,763.52 : 2,320,883.52 = 917,866.56 : x
  2. Step 2: Convert to fraction form
    1,681,763.52/2,320,883.52 = 917,866.56/x
  3. Step 3: Cross multiply
    1,681,763.52x = 2,320,883.52 × 917,866.56
  4. Step 4: Simplify right side
    1,681,763.52x = 2,130,261,372,663.09
  5. Step 5: Solve for x
    x = 2,130,261,372,663.09/1,681,763.52
  6. Step 6: Final answer
    x = 1,266,683.07

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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.