Home / 697,914.70-1,042,144.37-554,146.78

Finding the Fourth Proportional to 697,914.70, 1,042,144.37 and 554,146.78

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Solution

The fourth proportional to 697,914.70, 1,042,144.37 and 554,146.78 is: 827,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,914.70 : 1,042,144.37 = 554,146.78 : x
  2. Step 2: Convert to fraction form
    697,914.70/1,042,144.37 = 554,146.78/x
  3. Step 3: Cross multiply
    697,914.70x = 1,042,144.37 × 554,146.78
  4. Step 4: Simplify right side
    697,914.70x = 577,500,946,930.63
  5. Step 5: Solve for x
    x = 577,500,946,930.63/697,914.70
  6. Step 6: Final answer
    x = 827,466.38

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Double scale
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1.5x scale

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.