Home / 683,651.29-943,457.80-377,747.38

Finding the Fourth Proportional to 683,651.29, 943,457.80 and 377,747.38

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Solution

The fourth proportional to 683,651.29, 943,457.80 and 377,747.38 is: 521,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,651.29 : 943,457.80 = 377,747.38 : x
  2. Step 2: Convert to fraction form
    683,651.29/943,457.80 = 377,747.38/x
  3. Step 3: Cross multiply
    683,651.29x = 943,457.80 × 377,747.38
  4. Step 4: Simplify right side
    683,651.29x = 356,388,712,090.56
  5. Step 5: Solve for x
    x = 356,388,712,090.56/683,651.29
  6. Step 6: Final answer
    x = 521,301.89

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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.