Home / 1,383,988.00-1,909,958.80-772,194.23

Finding the Fourth Proportional to 1,383,988.00, 1,909,958.80 and 772,194.23

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Solution

The fourth proportional to 1,383,988.00, 1,909,958.80 and 772,194.23 is: 1,065,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,988.00 : 1,909,958.80 = 772,194.23 : x
  2. Step 2: Convert to fraction form
    1,383,988.00/1,909,958.80 = 772,194.23/x
  3. Step 3: Cross multiply
    1,383,988.00x = 1,909,958.80 × 772,194.23
  4. Step 4: Simplify right side
    1,383,988.00x = 1,474,859,156,313.17
  5. Step 5: Solve for x
    x = 1,474,859,156,313.17/1,383,988.00
  6. Step 6: Final answer
    x = 1,065,658.92

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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.