Home / 1,101,972.40-1,520,670.73-611,973.03

Finding the Fourth Proportional to 1,101,972.40, 1,520,670.73 and 611,973.03

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Solution

The fourth proportional to 1,101,972.40, 1,520,670.73 and 611,973.03 is: 844,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,972.40 : 1,520,670.73 = 611,973.03 : x
  2. Step 2: Convert to fraction form
    1,101,972.40/1,520,670.73 = 611,973.03/x
  3. Step 3: Cross multiply
    1,101,972.40x = 1,520,670.73 × 611,973.03
  4. Step 4: Simplify right side
    1,101,972.40x = 930,609,468,938.80
  5. Step 5: Solve for x
    x = 930,609,468,938.80/1,101,972.40
  6. Step 6: Final answer
    x = 844,494.35

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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.