Home / 656,114.37-905,457.01-384,156.81

Finding the Fourth Proportional to 656,114.37, 905,457.01 and 384,156.81

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Solution

The fourth proportional to 656,114.37, 905,457.01 and 384,156.81 is: 530,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,114.37 : 905,457.01 = 384,156.81 : x
  2. Step 2: Convert to fraction form
    656,114.37/905,457.01 = 384,156.81/x
  3. Step 3: Cross multiply
    656,114.37x = 905,457.01 × 384,156.81
  4. Step 4: Simplify right side
    656,114.37x = 347,837,476,553.74
  5. Step 5: Solve for x
    x = 347,837,476,553.74/656,114.37
  6. Step 6: Final answer
    x = 530,147.63

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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.