Home / 839,951.70-1,259,927.55-460,725.90

Finding the Fourth Proportional to 839,951.70, 1,259,927.55 and 460,725.90

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Solution

The fourth proportional to 839,951.70, 1,259,927.55 and 460,725.90 is: 691,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,951.70 : 1,259,927.55 = 460,725.90 : x
  2. Step 2: Convert to fraction form
    839,951.70/1,259,927.55 = 460,725.90/x
  3. Step 3: Cross multiply
    839,951.70x = 1,259,927.55 × 460,725.90
  4. Step 4: Simplify right side
    839,951.70x = 580,481,254,408.55
  5. Step 5: Solve for x
    x = 580,481,254,408.55/839,951.70
  6. Step 6: Final answer
    x = 691,088.85

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1.5x scale

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.