Home / 1,242,852.81-1,863,976.28-344,271.21

Finding the Fourth Proportional to 1,242,852.81, 1,863,976.28 and 344,271.21

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Solution

The fourth proportional to 1,242,852.81, 1,863,976.28 and 344,271.21 is: 516,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,852.81 : 1,863,976.28 = 344,271.21 : x
  2. Step 2: Convert to fraction form
    1,242,852.81/1,863,976.28 = 344,271.21/x
  3. Step 3: Cross multiply
    1,242,852.81x = 1,863,976.28 × 344,271.21
  4. Step 4: Simplify right side
    1,242,852.81x = 641,713,367,605.54
  5. Step 5: Solve for x
    x = 641,713,367,605.54/1,242,852.81
  6. Step 6: Final answer
    x = 516,322.90

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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.