Home / 1,171,837.94-1,617,182.31-688,398.85

Finding the Fourth Proportional to 1,171,837.94, 1,617,182.31 and 688,398.85

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Solution

The fourth proportional to 1,171,837.94, 1,617,182.31 and 688,398.85 is: 950,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,837.94 : 1,617,182.31 = 688,398.85 : x
  2. Step 2: Convert to fraction form
    1,171,837.94/1,617,182.31 = 688,398.85/x
  3. Step 3: Cross multiply
    1,171,837.94x = 1,617,182.31 × 688,398.85
  4. Step 4: Simplify right side
    1,171,837.94x = 1,113,266,447,047.32
  5. Step 5: Solve for x
    x = 1,113,266,447,047.32/1,171,837.94
  6. Step 6: Final answer
    x = 950,017.42

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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.