Home / 1,642,681.76-2,266,938-964,107.68

Finding the Fourth Proportional to 1,642,681.76, 2,266,938 and 964,107.68

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Solution

The fourth proportional to 1,642,681.76, 2,266,938 and 964,107.68 is: 1,330,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,681.76 : 2,266,938 = 964,107.68 : x
  2. Step 2: Convert to fraction form
    1,642,681.76/2,266,938 = 964,107.68/x
  3. Step 3: Cross multiply
    1,642,681.76x = 2,266,938 × 964,107.68
  4. Step 4: Simplify right side
    1,642,681.76x = 2,185,572,335,883.84
  5. Step 5: Solve for x
    x = 2,185,572,335,883.84/1,642,681.76
  6. Step 6: Final answer
    x = 1,330,490.41

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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.