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Finding the Fourth Proportional to 1,240,611, 1,711,226.70 and 895,872.84

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Solution

The fourth proportional to 1,240,611, 1,711,226.70 and 895,872.84 is: 1,235,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,611 : 1,711,226.70 = 895,872.84 : x
  2. Step 2: Convert to fraction form
    1,240,611/1,711,226.70 = 895,872.84/x
  3. Step 3: Cross multiply
    1,240,611x = 1,711,226.70 × 895,872.84
  4. Step 4: Simplify right side
    1,240,611x = 1,533,041,523,612.83
  5. Step 5: Solve for x
    x = 1,533,041,523,612.83/1,240,611
  6. Step 6: Final answer
    x = 1,235,714.92

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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.