Home / 883,123.80-1,324,685.70-322,085.40

Finding the Fourth Proportional to 883,123.80, 1,324,685.70 and 322,085.40

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Solution

The fourth proportional to 883,123.80, 1,324,685.70 and 322,085.40 is: 483,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,123.80 : 1,324,685.70 = 322,085.40 : x
  2. Step 2: Convert to fraction form
    883,123.80/1,324,685.70 = 322,085.40/x
  3. Step 3: Cross multiply
    883,123.80x = 1,324,685.70 × 322,085.40
  4. Step 4: Simplify right side
    883,123.80x = 426,661,923,558.78
  5. Step 5: Solve for x
    x = 426,661,923,558.78/883,123.80
  6. Step 6: Final answer
    x = 483,128.10

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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.