Home / 875,012.26-1,312,524.87-314,051.62

Finding the Fourth Proportional to 875,012.26, 1,312,524.87 and 314,051.62

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Solution

The fourth proportional to 875,012.26, 1,312,524.87 and 314,051.62 is: 471,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,012.26 : 1,312,524.87 = 314,051.62 : x
  2. Step 2: Convert to fraction form
    875,012.26/1,312,524.87 = 314,051.62/x
  3. Step 3: Cross multiply
    875,012.26x = 1,312,524.87 × 314,051.62
  4. Step 4: Simplify right side
    875,012.26x = 412,200,561,713.79
  5. Step 5: Solve for x
    x = 412,200,561,713.79/875,012.26
  6. Step 6: Final answer
    x = 471,079.76

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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.