Home / 1,912,497.75-2,869,239.11-714,428.37

Finding the Fourth Proportional to 1,912,497.75, 2,869,239.11 and 714,428.37

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Solution

The fourth proportional to 1,912,497.75, 2,869,239.11 and 714,428.37 is: 1,071,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,497.75 : 2,869,239.11 = 714,428.37 : x
  2. Step 2: Convert to fraction form
    1,912,497.75/2,869,239.11 = 714,428.37/x
  3. Step 3: Cross multiply
    1,912,497.75x = 2,869,239.11 × 714,428.37
  4. Step 4: Simplify right side
    1,912,497.75x = 2,049,865,816,925.41
  5. Step 5: Solve for x
    x = 2,049,865,816,925.41/1,912,497.75
  6. Step 6: Final answer
    x = 1,071,826.52

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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.