Home / 1,207,696.55-1,811,543.61-309,136.82

Finding the Fourth Proportional to 1,207,696.55, 1,811,543.61 and 309,136.82

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Solution

The fourth proportional to 1,207,696.55, 1,811,543.61 and 309,136.82 is: 463,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,696.55 : 1,811,543.61 = 309,136.82 : x
  2. Step 2: Convert to fraction form
    1,207,696.55/1,811,543.61 = 309,136.82/x
  3. Step 3: Cross multiply
    1,207,696.55x = 1,811,543.61 × 309,136.82
  4. Step 4: Simplify right side
    1,207,696.55x = 560,014,830,886.72
  5. Step 5: Solve for x
    x = 560,014,830,886.72/1,207,696.55
  6. Step 6: Final answer
    x = 463,704.92

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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.