Home / 1,179,697.12-1,627,966.51-663,450.84

Finding the Fourth Proportional to 1,179,697.12, 1,627,966.51 and 663,450.84

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Solution

The fourth proportional to 1,179,697.12, 1,627,966.51 and 663,450.84 is: 915,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,697.12 : 1,627,966.51 = 663,450.84 : x
  2. Step 2: Convert to fraction form
    1,179,697.12/1,627,966.51 = 663,450.84/x
  3. Step 3: Cross multiply
    1,179,697.12x = 1,627,966.51 × 663,450.84
  4. Step 4: Simplify right side
    1,179,697.12x = 1,080,075,748,551.37
  5. Step 5: Solve for x
    x = 1,080,075,748,551.37/1,179,697.12
  6. Step 6: Final answer
    x = 915,553.43

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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.