Home / 840,893.42-1,160,280.13-496,785.37

Finding the Fourth Proportional to 840,893.42, 1,160,280.13 and 496,785.37

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Solution

The fourth proportional to 840,893.42, 1,160,280.13 and 496,785.37 is: 685,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,893.42 : 1,160,280.13 = 496,785.37 : x
  2. Step 2: Convert to fraction form
    840,893.42/1,160,280.13 = 496,785.37/x
  3. Step 3: Cross multiply
    840,893.42x = 1,160,280.13 × 496,785.37
  4. Step 4: Simplify right side
    840,893.42x = 576,410,193,685.70
  5. Step 5: Solve for x
    x = 576,410,193,685.70/840,893.42
  6. Step 6: Final answer
    x = 685,473.55

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Double scale
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1.5x scale

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.