Home / 1,166,216.38-1,609,328.88-649,942.80

Finding the Fourth Proportional to 1,166,216.38, 1,609,328.88 and 649,942.80

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Solution

The fourth proportional to 1,166,216.38, 1,609,328.88 and 649,942.80 is: 896,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,216.38 : 1,609,328.88 = 649,942.80 : x
  2. Step 2: Convert to fraction form
    1,166,216.38/1,609,328.88 = 649,942.80/x
  3. Step 3: Cross multiply
    1,166,216.38x = 1,609,328.88 × 649,942.80
  4. Step 4: Simplify right side
    1,166,216.38x = 1,045,971,718,388.06
  5. Step 5: Solve for x
    x = 1,045,971,718,388.06/1,166,216.38
  6. Step 6: Final answer
    x = 896,893.35

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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.