Home / 1,278,373.26-1,918,415.25-530,419.26

Finding the Fourth Proportional to 1,278,373.26, 1,918,415.25 and 530,419.26

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Solution

The fourth proportional to 1,278,373.26, 1,918,415.25 and 530,419.26 is: 795,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,373.26 : 1,918,415.25 = 530,419.26 : x
  2. Step 2: Convert to fraction form
    1,278,373.26/1,918,415.25 = 530,419.26/x
  3. Step 3: Cross multiply
    1,278,373.26x = 1,918,415.25 × 530,419.26
  4. Step 4: Simplify right side
    1,278,373.26x = 1,017,564,397,277.72
  5. Step 5: Solve for x
    x = 1,017,564,397,277.72/1,278,373.26
  6. Step 6: Final answer
    x = 795,983.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.