Home / 458,743.10-688,114.65-193,022.60

Finding the Fourth Proportional to 458,743.10, 688,114.65 and 193,022.60

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Solution

The fourth proportional to 458,743.10, 688,114.65 and 193,022.60 is: 289,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,743.10 : 688,114.65 = 193,022.60 : x
  2. Step 2: Convert to fraction form
    458,743.10/688,114.65 = 193,022.60/x
  3. Step 3: Cross multiply
    458,743.10x = 688,114.65 × 193,022.60
  4. Step 4: Simplify right side
    458,743.10x = 132,821,678,841.09
  5. Step 5: Solve for x
    x = 132,821,678,841.09/458,743.10
  6. Step 6: Final answer
    x = 289,533.90

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Similar ratio
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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.