Home / 697,959.57-962,938.91-456,383.55

Finding the Fourth Proportional to 697,959.57, 962,938.91 and 456,383.55

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Solution

The fourth proportional to 697,959.57, 962,938.91 and 456,383.55 is: 629,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,959.57 : 962,938.91 = 456,383.55 : x
  2. Step 2: Convert to fraction form
    697,959.57/962,938.91 = 456,383.55/x
  3. Step 3: Cross multiply
    697,959.57x = 962,938.91 × 456,383.55
  4. Step 4: Simplify right side
    697,959.57x = 439,469,475,897.01
  5. Step 5: Solve for x
    x = 439,469,475,897.01/697,959.57
  6. Step 6: Final answer
    x = 629,648.90

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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.