Home / 683,897.40-1,025,846.10-210,727.80

Finding the Fourth Proportional to 683,897.40, 1,025,846.10 and 210,727.80

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Solution

The fourth proportional to 683,897.40, 1,025,846.10 and 210,727.80 is: 316,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,897.40 : 1,025,846.10 = 210,727.80 : x
  2. Step 2: Convert to fraction form
    683,897.40/1,025,846.10 = 210,727.80/x
  3. Step 3: Cross multiply
    683,897.40x = 1,025,846.10 × 210,727.80
  4. Step 4: Simplify right side
    683,897.40x = 216,174,291,791.58
  5. Step 5: Solve for x
    x = 216,174,291,791.58/683,897.40
  6. Step 6: Final answer
    x = 316,091.70

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Double scale
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Similar ratio
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1.5x scale

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.