Home / 1,449,638.82-2,175,180.63-651,490.98

Finding the Fourth Proportional to 1,449,638.82, 2,175,180.63 and 651,490.98

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Solution

The fourth proportional to 1,449,638.82, 2,175,180.63 and 651,490.98 is: 977,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,638.82 : 2,175,180.63 = 651,490.98 : x
  2. Step 2: Convert to fraction form
    1,449,638.82/2,175,180.63 = 651,490.98/x
  3. Step 3: Cross multiply
    1,449,638.82x = 2,175,180.63 × 651,490.98
  4. Step 4: Simplify right side
    1,449,638.82x = 1,417,110,560,315.72
  5. Step 5: Solve for x
    x = 1,417,110,560,315.72/1,449,638.82
  6. Step 6: Final answer
    x = 977,561.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.