Home / 1,106,632.46-1,527,156.24-641,576.98

Finding the Fourth Proportional to 1,106,632.46, 1,527,156.24 and 641,576.98

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Solution

The fourth proportional to 1,106,632.46, 1,527,156.24 and 641,576.98 is: 885,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,632.46 : 1,527,156.24 = 641,576.98 : x
  2. Step 2: Convert to fraction form
    1,106,632.46/1,527,156.24 = 641,576.98/x
  3. Step 3: Cross multiply
    1,106,632.46x = 1,527,156.24 × 641,576.98
  4. Step 4: Simplify right side
    1,106,632.46x = 979,788,277,603.69
  5. Step 5: Solve for x
    x = 979,788,277,603.69/1,106,632.46
  6. Step 6: Final answer
    x = 885,378.22

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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.