Home / 1,225,646.46-1,838,765.14-384,198.21

Finding the Fourth Proportional to 1,225,646.46, 1,838,765.14 and 384,198.21

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Solution

The fourth proportional to 1,225,646.46, 1,838,765.14 and 384,198.21 is: 576,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,646.46 : 1,838,765.14 = 384,198.21 : x
  2. Step 2: Convert to fraction form
    1,225,646.46/1,838,765.14 = 384,198.21/x
  3. Step 3: Cross multiply
    1,225,646.46x = 1,838,765.14 × 384,198.21
  4. Step 4: Simplify right side
    1,225,646.46x = 706,450,274,437.90
  5. Step 5: Solve for x
    x = 706,450,274,437.90/1,225,646.46
  6. Step 6: Final answer
    x = 576,389.93

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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.