Home / 1,383,734.53-1,909,601.06-802,913.91

Finding the Fourth Proportional to 1,383,734.53, 1,909,601.06 and 802,913.91

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Solution

The fourth proportional to 1,383,734.53, 1,909,601.06 and 802,913.91 is: 1,108,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,734.53 : 1,909,601.06 = 802,913.91 : x
  2. Step 2: Convert to fraction form
    1,383,734.53/1,909,601.06 = 802,913.91/x
  3. Step 3: Cross multiply
    1,383,734.53x = 1,909,601.06 × 802,913.91
  4. Step 4: Simplify right side
    1,383,734.53x = 1,533,245,246,084.02
  5. Step 5: Solve for x
    x = 1,533,245,246,084.02/1,383,734.53
  6. Step 6: Final answer
    x = 1,108,048.70

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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.