Home / 695,633.79-959,972.48-385,556.14

Finding the Fourth Proportional to 695,633.79, 959,972.48 and 385,556.14

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Solution

The fourth proportional to 695,633.79, 959,972.48 and 385,556.14 is: 532,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,633.79 : 959,972.48 = 385,556.14 : x
  2. Step 2: Convert to fraction form
    695,633.79/959,972.48 = 385,556.14/x
  3. Step 3: Cross multiply
    695,633.79x = 959,972.48 × 385,556.14
  4. Step 4: Simplify right side
    695,633.79x = 370,123,283,895.03
  5. Step 5: Solve for x
    x = 370,123,283,895.03/695,633.79
  6. Step 6: Final answer
    x = 532,066.28

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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.