Home / 1,139,860.09-1,573,001.17-623,604.66

Finding the Fourth Proportional to 1,139,860.09, 1,573,001.17 and 623,604.66

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Solution

The fourth proportional to 1,139,860.09, 1,573,001.17 and 623,604.66 is: 860,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,860.09 : 1,573,001.17 = 623,604.66 : x
  2. Step 2: Convert to fraction form
    1,139,860.09/1,573,001.17 = 623,604.66/x
  3. Step 3: Cross multiply
    1,139,860.09x = 1,573,001.17 × 623,604.66
  4. Step 4: Simplify right side
    1,139,860.09x = 980,930,859,797.45
  5. Step 5: Solve for x
    x = 980,930,859,797.45/1,139,860.09
  6. Step 6: Final answer
    x = 860,571.28

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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.