Home / 1,242,184.49-1,863,277.16-389,322.30

Finding the Fourth Proportional to 1,242,184.49, 1,863,277.16 and 389,322.30

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Solution

The fourth proportional to 1,242,184.49, 1,863,277.16 and 389,322.30 is: 583,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,184.49 : 1,863,277.16 = 389,322.30 : x
  2. Step 2: Convert to fraction form
    1,242,184.49/1,863,277.16 = 389,322.30/x
  3. Step 3: Cross multiply
    1,242,184.49x = 1,863,277.16 × 389,322.30
  4. Step 4: Simplify right side
    1,242,184.49x = 725,415,347,522.06
  5. Step 5: Solve for x
    x = 725,415,347,522.06/1,242,184.49
  6. Step 6: Final answer
    x = 583,983.58

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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.