Home / 691,453.01-1,036,280.42-354,207.89

Finding the Fourth Proportional to 691,453.01, 1,036,280.42 and 354,207.89

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Solution

The fourth proportional to 691,453.01, 1,036,280.42 and 354,207.89 is: 530,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,453.01 : 1,036,280.42 = 354,207.89 : x
  2. Step 2: Convert to fraction form
    691,453.01/1,036,280.42 = 354,207.89/x
  3. Step 3: Cross multiply
    691,453.01x = 1,036,280.42 × 354,207.89
  4. Step 4: Simplify right side
    691,453.01x = 367,058,699,245.47
  5. Step 5: Solve for x
    x = 367,058,699,245.47/691,453.01
  6. Step 6: Final answer
    x = 530,851.26

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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.