Home / 1,689,576.49-2,331,596.25-915,192.73

Finding the Fourth Proportional to 1,689,576.49, 2,331,596.25 and 915,192.73

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Solution

The fourth proportional to 1,689,576.49, 2,331,596.25 and 915,192.73 is: 1,262,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,576.49 : 2,331,596.25 = 915,192.73 : x
  2. Step 2: Convert to fraction form
    1,689,576.49/2,331,596.25 = 915,192.73/x
  3. Step 3: Cross multiply
    1,689,576.49x = 2,331,596.25 × 915,192.73
  4. Step 4: Simplify right side
    1,689,576.49x = 2,133,859,921,061.32
  5. Step 5: Solve for x
    x = 2,133,859,921,061.32/1,689,576.49
  6. Step 6: Final answer
    x = 1,262,955.50

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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.