Home / 1,681,008.58-2,319,745.90-917,061.94

Finding the Fourth Proportional to 1,681,008.58, 2,319,745.90 and 917,061.94

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Solution

The fourth proportional to 1,681,008.58, 2,319,745.90 and 917,061.94 is: 1,265,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,008.58 : 2,319,745.90 = 917,061.94 : x
  2. Step 2: Convert to fraction form
    1,681,008.58/2,319,745.90 = 917,061.94/x
  3. Step 3: Cross multiply
    1,681,008.58x = 2,319,745.90 × 917,061.94
  4. Step 4: Simplify right side
    1,681,008.58x = 2,127,350,675,361.05
  5. Step 5: Solve for x
    x = 2,127,350,675,361.05/1,681,008.58
  6. Step 6: Final answer
    x = 1,265,520.41

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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.