Home / 1,553,969.88-2,144,193.75-865,624.61

Finding the Fourth Proportional to 1,553,969.88, 2,144,193.75 and 865,624.61

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Solution

The fourth proportional to 1,553,969.88, 2,144,193.75 and 865,624.61 is: 1,194,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,969.88 : 2,144,193.75 = 865,624.61 : x
  2. Step 2: Convert to fraction form
    1,553,969.88/2,144,193.75 = 865,624.61/x
  3. Step 3: Cross multiply
    1,553,969.88x = 2,144,193.75 × 865,624.61
  4. Step 4: Simplify right side
    1,553,969.88x = 1,856,066,871,133.31
  5. Step 5: Solve for x
    x = 1,856,066,871,133.31/1,553,969.88
  6. Step 6: Final answer
    x = 1,194,403.38

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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.