Home / 1,426,910.70-1,969,114.32-782,336.46

Finding the Fourth Proportional to 1,426,910.70, 1,969,114.32 and 782,336.46

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Solution

The fourth proportional to 1,426,910.70, 1,969,114.32 and 782,336.46 is: 1,079,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,910.70 : 1,969,114.32 = 782,336.46 : x
  2. Step 2: Convert to fraction form
    1,426,910.70/1,969,114.32 = 782,336.46/x
  3. Step 3: Cross multiply
    1,426,910.70x = 1,969,114.32 × 782,336.46
  4. Step 4: Simplify right side
    1,426,910.70x = 1,540,509,926,444.11
  5. Step 5: Solve for x
    x = 1,540,509,926,444.11/1,426,910.70
  6. Step 6: Final answer
    x = 1,079,612.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.