Home / 1,256,016.80-1,884,319.20-414,567.72

Finding the Fourth Proportional to 1,256,016.80, 1,884,319.20 and 414,567.72

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Solution

The fourth proportional to 1,256,016.80, 1,884,319.20 and 414,567.72 is: 621,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,016.80 : 1,884,319.20 = 414,567.72 : x
  2. Step 2: Convert to fraction form
    1,256,016.80/1,884,319.20 = 414,567.72/x
  3. Step 3: Cross multiply
    1,256,016.80x = 1,884,319.20 × 414,567.72
  4. Step 4: Simplify right side
    1,256,016.80x = 781,177,914,496.22
  5. Step 5: Solve for x
    x = 781,177,914,496.22/1,256,016.80
  6. Step 6: Final answer
    x = 621,948.62

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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.