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Finding the Fourth Proportional to 1,569,104.65, 2,353,656.98 and 771,943.15

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Solution

The fourth proportional to 1,569,104.65, 2,353,656.98 and 771,943.15 is: 1,157,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,104.65 : 2,353,656.98 = 771,943.15 : x
  2. Step 2: Convert to fraction form
    1,569,104.65/2,353,656.98 = 771,943.15/x
  3. Step 3: Cross multiply
    1,569,104.65x = 2,353,656.98 × 771,943.15
  4. Step 4: Simplify right side
    1,569,104.65x = 1,816,889,383,160.69
  5. Step 5: Solve for x
    x = 1,816,889,383,160.69/1,569,104.65
  6. Step 6: Final answer
    x = 1,157,914.73

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Similar ratio
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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.