Home / 934,771.56-1,291,048.81-628,315.89

Finding the Fourth Proportional to 934,771.56, 1,291,048.81 and 628,315.89

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Solution

The fourth proportional to 934,771.56, 1,291,048.81 and 628,315.89 is: 867,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,771.56 : 1,291,048.81 = 628,315.89 : x
  2. Step 2: Convert to fraction form
    934,771.56/1,291,048.81 = 628,315.89/x
  3. Step 3: Cross multiply
    934,771.56x = 1,291,048.81 × 628,315.89
  4. Step 4: Simplify right side
    934,771.56x = 811,186,475,676.37
  5. Step 5: Solve for x
    x = 811,186,475,676.37/934,771.56
  6. Step 6: Final answer
    x = 867,791.14

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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.