Home / 1,965,903.40-2,948,856.20-545,959.36

Finding the Fourth Proportional to 1,965,903.40, 2,948,856.20 and 545,959.36

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Solution

The fourth proportional to 1,965,903.40, 2,948,856.20 and 545,959.36 is: 818,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,903.40 : 2,948,856.20 = 545,959.36 : x
  2. Step 2: Convert to fraction form
    1,965,903.40/2,948,856.20 = 545,959.36/x
  3. Step 3: Cross multiply
    1,965,903.40x = 2,948,856.20 × 545,959.36
  4. Step 4: Simplify right side
    1,965,903.40x = 1,609,955,643,684.03
  5. Step 5: Solve for x
    x = 1,609,955,643,684.03/1,965,903.40
  6. Step 6: Final answer
    x = 818,939.35

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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.