Home / 959,556.51-1,439,832.90-391,354.47

Finding the Fourth Proportional to 959,556.51, 1,439,832.90 and 391,354.47

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Solution

The fourth proportional to 959,556.51, 1,439,832.90 and 391,354.47 is: 587,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,556.51 : 1,439,832.90 = 391,354.47 : x
  2. Step 2: Convert to fraction form
    959,556.51/1,439,832.90 = 391,354.47/x
  3. Step 3: Cross multiply
    959,556.51x = 1,439,832.90 × 391,354.47
  4. Step 4: Simplify right side
    959,556.51x = 563,485,041,468.06
  5. Step 5: Solve for x
    x = 563,485,041,468.06/959,556.51
  6. Step 6: Final answer
    x = 587,234.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.