Home / 823,218.53-1,234,827.83-542,670.17

Finding the Fourth Proportional to 823,218.53, 1,234,827.83 and 542,670.17

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Solution

The fourth proportional to 823,218.53, 1,234,827.83 and 542,670.17 is: 814,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,218.53 : 1,234,827.83 = 542,670.17 : x
  2. Step 2: Convert to fraction form
    823,218.53/1,234,827.83 = 542,670.17/x
  3. Step 3: Cross multiply
    823,218.53x = 1,234,827.83 × 542,670.17
  4. Step 4: Simplify right side
    823,218.53x = 670,104,223,609.37
  5. Step 5: Solve for x
    x = 670,104,223,609.37/823,218.53
  6. Step 6: Final answer
    x = 814,005.28

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Double scale
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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.