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Finding the Fourth Proportional to 1,185,558, 1,636,070.12 and 649,014

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Solution

The fourth proportional to 1,185,558, 1,636,070.12 and 649,014 is: 895,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,558 : 1,636,070.12 = 649,014 : x
  2. Step 2: Convert to fraction form
    1,185,558/1,636,070.12 = 649,014/x
  3. Step 3: Cross multiply
    1,185,558x = 1,636,070.12 × 649,014
  4. Step 4: Simplify right side
    1,185,558x = 1,061,832,412,861.68
  5. Step 5: Solve for x
    x = 1,061,832,412,861.68/1,185,558
  6. Step 6: Final answer
    x = 895,639.36

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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.