Home / 572,130.03-789,576.36-317,481.22

Finding the Fourth Proportional to 572,130.03, 789,576.36 and 317,481.22

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Solution

The fourth proportional to 572,130.03, 789,576.36 and 317,481.22 is: 438,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,130.03 : 789,576.36 = 317,481.22 : x
  2. Step 2: Convert to fraction form
    572,130.03/789,576.36 = 317,481.22/x
  3. Step 3: Cross multiply
    572,130.03x = 789,576.36 × 317,481.22
  4. Step 4: Simplify right side
    572,130.03x = 250,675,665,852.38
  5. Step 5: Solve for x
    x = 250,675,665,852.38/572,130.03
  6. Step 6: Final answer
    x = 438,144.57

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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.