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Finding the Fourth Proportional to 1,913,706, 2,870,559 and 791,804.16

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Solution

The fourth proportional to 1,913,706, 2,870,559 and 791,804.16 is: 1,187,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,706 : 2,870,559 = 791,804.16 : x
  2. Step 2: Convert to fraction form
    1,913,706/2,870,559 = 791,804.16/x
  3. Step 3: Cross multiply
    1,913,706x = 2,870,559 × 791,804.16
  4. Step 4: Simplify right side
    1,913,706x = 2,272,920,557,725.44
  5. Step 5: Solve for x
    x = 2,272,920,557,725.44/1,913,706
  6. Step 6: Final answer
    x = 1,187,706.24

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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.