Home / 733,638.60-1,100,457.90-453,313.80

Finding the Fourth Proportional to 733,638.60, 1,100,457.90 and 453,313.80

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Solution

The fourth proportional to 733,638.60, 1,100,457.90 and 453,313.80 is: 679,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,638.60 : 1,100,457.90 = 453,313.80 : x
  2. Step 2: Convert to fraction form
    733,638.60/1,100,457.90 = 453,313.80/x
  3. Step 3: Cross multiply
    733,638.60x = 1,100,457.90 × 453,313.80
  4. Step 4: Simplify right side
    733,638.60x = 498,852,752,389.02
  5. Step 5: Solve for x
    x = 498,852,752,389.02/733,638.60
  6. Step 6: Final answer
    x = 679,970.70

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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.