Home / 821,099.23-1,133,114.70-458,520.14

Finding the Fourth Proportional to 821,099.23, 1,133,114.70 and 458,520.14

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Solution

The fourth proportional to 821,099.23, 1,133,114.70 and 458,520.14 is: 632,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,099.23 : 1,133,114.70 = 458,520.14 : x
  2. Step 2: Convert to fraction form
    821,099.23/1,133,114.70 = 458,520.14/x
  3. Step 3: Cross multiply
    821,099.23x = 1,133,114.70 × 458,520.14
  4. Step 4: Simplify right side
    821,099.23x = 519,555,910,880.06
  5. Step 5: Solve for x
    x = 519,555,910,880.06/821,099.23
  6. Step 6: Final answer
    x = 632,756.54

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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.