Home / 1,256,013.80-1,884,314.70-414,564.72

Finding the Fourth Proportional to 1,256,013.80, 1,884,314.70 and 414,564.72

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Solution

The fourth proportional to 1,256,013.80, 1,884,314.70 and 414,564.72 is: 621,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,013.80 : 1,884,314.70 = 414,564.72 : x
  2. Step 2: Convert to fraction form
    1,256,013.80/1,884,314.70 = 414,564.72/x
  3. Step 3: Cross multiply
    1,256,013.80x = 1,884,314.70 × 414,564.72
  4. Step 4: Simplify right side
    1,256,013.80x = 781,170,395,997.38
  5. Step 5: Solve for x
    x = 781,170,395,997.38/1,256,013.80
  6. Step 6: Final answer
    x = 621,944.12

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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.