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Finding the Fourth Proportional to 1,369,784.03, 1,890,461.63 and 796,848.35

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Solution

The fourth proportional to 1,369,784.03, 1,890,461.63 and 796,848.35 is: 1,099,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,784.03 : 1,890,461.63 = 796,848.35 : x
  2. Step 2: Convert to fraction form
    1,369,784.03/1,890,461.63 = 796,848.35/x
  3. Step 3: Cross multiply
    1,369,784.03x = 1,890,461.63 × 796,848.35
  4. Step 4: Simplify right side
    1,369,784.03x = 1,506,411,228,611.69
  5. Step 5: Solve for x
    x = 1,506,411,228,611.69/1,369,784.03
  6. Step 6: Final answer
    x = 1,099,743.61

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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.