Home / 780,576.86-1,077,182.07-441,037.82

Finding the Fourth Proportional to 780,576.86, 1,077,182.07 and 441,037.82

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Solution

The fourth proportional to 780,576.86, 1,077,182.07 and 441,037.82 is: 608,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,576.86 : 1,077,182.07 = 441,037.82 : x
  2. Step 2: Convert to fraction form
    780,576.86/1,077,182.07 = 441,037.82/x
  3. Step 3: Cross multiply
    780,576.86x = 1,077,182.07 × 441,037.82
  4. Step 4: Simplify right side
    780,576.86x = 475,078,031,895.89
  5. Step 5: Solve for x
    x = 475,078,031,895.89/780,576.86
  6. Step 6: Final answer
    x = 608,624.28

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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.