Home / 780,596.86-1,077,209.67-441,057.82

Finding the Fourth Proportional to 780,596.86, 1,077,209.67 and 441,057.82

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Solution

The fourth proportional to 780,596.86, 1,077,209.67 and 441,057.82 is: 608,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,596.86 : 1,077,209.67 = 441,057.82 : x
  2. Step 2: Convert to fraction form
    780,596.86/1,077,209.67 = 441,057.82/x
  3. Step 3: Cross multiply
    780,596.86x = 1,077,209.67 × 441,057.82
  4. Step 4: Simplify right side
    780,596.86x = 475,111,748,733.12
  5. Step 5: Solve for x
    x = 475,111,748,733.12/780,596.86
  6. Step 6: Final answer
    x = 608,651.88

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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.