Home / 1,856,865.67-2,785,718.59-658,789.40

Finding the Fourth Proportional to 1,856,865.67, 2,785,718.59 and 658,789.40

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Solution

The fourth proportional to 1,856,865.67, 2,785,718.59 and 658,789.40 is: 988,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,865.67 : 2,785,718.59 = 658,789.40 : x
  2. Step 2: Convert to fraction form
    1,856,865.67/2,785,718.59 = 658,789.40/x
  3. Step 3: Cross multiply
    1,856,865.67x = 2,785,718.59 × 658,789.40
  4. Step 4: Simplify right side
    1,856,865.67x = 1,835,201,883,792.27
  5. Step 5: Solve for x
    x = 1,835,201,883,792.27/1,856,865.67
  6. Step 6: Final answer
    x = 988,333.14

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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.