Home / 867,883.41-1,197,665.73-485,923.86

Finding the Fourth Proportional to 867,883.41, 1,197,665.73 and 485,923.86

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Solution

The fourth proportional to 867,883.41, 1,197,665.73 and 485,923.86 is: 670,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,883.41 : 1,197,665.73 = 485,923.86 : x
  2. Step 2: Convert to fraction form
    867,883.41/1,197,665.73 = 485,923.86/x
  3. Step 3: Cross multiply
    867,883.41x = 1,197,665.73 × 485,923.86
  4. Step 4: Simplify right side
    867,883.41x = 581,974,354,511.32
  5. Step 5: Solve for x
    x = 581,974,354,511.32/867,883.41
  6. Step 6: Final answer
    x = 670,567.44

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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.