Home / 859,871.64-1,278,981.87-856,994.52

Finding the Fourth Proportional to 859,871.64, 1,278,981.87 and 856,994.52

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Solution

The fourth proportional to 859,871.64, 1,278,981.87 and 856,994.52 is: 1,274,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,871.64 : 1,278,981.87 = 856,994.52 : x
  2. Step 2: Convert to fraction form
    859,871.64/1,278,981.87 = 856,994.52/x
  3. Step 3: Cross multiply
    859,871.64x = 1,278,981.87 × 856,994.52
  4. Step 4: Simplify right side
    859,871.64x = 1,096,080,453,769.35
  5. Step 5: Solve for x
    x = 1,096,080,453,769.35/859,871.64
  6. Step 6: Final answer
    x = 1,274,702.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.