Home / 1,696,252.70-2,340,846.84-921,883.60

Finding the Fourth Proportional to 1,696,252.70, 2,340,846.84 and 921,883.60

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Solution

The fourth proportional to 1,696,252.70, 2,340,846.84 and 921,883.60 is: 1,272,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,252.70 : 2,340,846.84 = 921,883.60 : x
  2. Step 2: Convert to fraction form
    1,696,252.70/2,340,846.84 = 921,883.60/x
  3. Step 3: Cross multiply
    1,696,252.70x = 2,340,846.84 × 921,883.60
  4. Step 4: Simplify right side
    1,696,252.70x = 2,157,988,311,907.82
  5. Step 5: Solve for x
    x = 2,157,988,311,907.82/1,696,252.70
  6. Step 6: Final answer
    x = 1,272,209.21

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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.