Home / 1,692,308.74-2,335,374.48-917,936.46

Finding the Fourth Proportional to 1,692,308.74, 2,335,374.48 and 917,936.46

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Solution

The fourth proportional to 1,692,308.74, 2,335,374.48 and 917,936.46 is: 1,266,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,308.74 : 2,335,374.48 = 917,936.46 : x
  2. Step 2: Convert to fraction form
    1,692,308.74/2,335,374.48 = 917,936.46/x
  3. Step 3: Cross multiply
    1,692,308.74x = 2,335,374.48 × 917,936.46
  4. Step 4: Simplify right side
    1,692,308.74x = 2,143,725,382,945.54
  5. Step 5: Solve for x
    x = 2,143,725,382,945.54/1,692,308.74
  6. Step 6: Final answer
    x = 1,266,746.03

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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.