Home / 1,256,018.80-1,884,322.20-414,569.72

Finding the Fourth Proportional to 1,256,018.80, 1,884,322.20 and 414,569.72

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Solution

The fourth proportional to 1,256,018.80, 1,884,322.20 and 414,569.72 is: 621,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,018.80 : 1,884,322.20 = 414,569.72 : x
  2. Step 2: Convert to fraction form
    1,256,018.80/1,884,322.20 = 414,569.72/x
  3. Step 3: Cross multiply
    1,256,018.80x = 1,884,322.20 × 414,569.72
  4. Step 4: Simplify right side
    1,256,018.80x = 781,182,926,843.78
  5. Step 5: Solve for x
    x = 781,182,926,843.78/1,256,018.80
  6. Step 6: Final answer
    x = 621,951.62

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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.