Home / 1,136,678.40-1,567,653.12-683,884.80

Finding the Fourth Proportional to 1,136,678.40, 1,567,653.12 and 683,884.80

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Solution

The fourth proportional to 1,136,678.40, 1,567,653.12 and 683,884.80 is: 943,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,678.40 : 1,567,653.12 = 683,884.80 : x
  2. Step 2: Convert to fraction form
    1,136,678.40/1,567,653.12 = 683,884.80/x
  3. Step 3: Cross multiply
    1,136,678.40x = 1,567,653.12 × 683,884.80
  4. Step 4: Simplify right side
    1,136,678.40x = 1,072,094,140,440.58
  5. Step 5: Solve for x
    x = 1,072,094,140,440.58/1,136,678.40
  6. Step 6: Final answer
    x = 943,181.59

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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.