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Finding the Fourth Proportional to 1,602,982, 2,212,115.16 and 887,590

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Solution

The fourth proportional to 1,602,982, 2,212,115.16 and 887,590 is: 1,224,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,982 : 2,212,115.16 = 887,590 : x
  2. Step 2: Convert to fraction form
    1,602,982/2,212,115.16 = 887,590/x
  3. Step 3: Cross multiply
    1,602,982x = 2,212,115.16 × 887,590
  4. Step 4: Simplify right side
    1,602,982x = 1,963,451,294,864.40
  5. Step 5: Solve for x
    x = 1,963,451,294,864.40/1,602,982
  6. Step 6: Final answer
    x = 1,224,874.20

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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.