Home / 695,968.23-960,420.33-405,561.63

Finding the Fourth Proportional to 695,968.23, 960,420.33 and 405,561.63

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Solution

The fourth proportional to 695,968.23, 960,420.33 and 405,561.63 is: 559,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,968.23 : 960,420.33 = 405,561.63 : x
  2. Step 2: Convert to fraction form
    695,968.23/960,420.33 = 405,561.63/x
  3. Step 3: Cross multiply
    695,968.23x = 960,420.33 × 405,561.63
  4. Step 4: Simplify right side
    695,968.23x = 389,509,634,519.94
  5. Step 5: Solve for x
    x = 389,509,634,519.94/695,968.23
  6. Step 6: Final answer
    x = 559,665.83

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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.