Home / 1,854,710.45-2,782,254.27-640,129.00

Finding the Fourth Proportional to 1,854,710.45, 2,782,254.27 and 640,129.00

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Solution

The fourth proportional to 1,854,710.45, 2,782,254.27 and 640,129.00 is: 960,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,710.45 : 2,782,254.27 = 640,129.00 : x
  2. Step 2: Convert to fraction form
    1,854,710.45/2,782,254.27 = 640,129.00/x
  3. Step 3: Cross multiply
    1,854,710.45x = 2,782,254.27 × 640,129.00
  4. Step 4: Simplify right side
    1,854,710.45x = 1,781,001,629,689.56
  5. Step 5: Solve for x
    x = 1,781,001,629,689.56/1,854,710.45
  6. Step 6: Final answer
    x = 960,258.58

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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.