Home / 1,008,045.65-1,512,068.48-672,122.45

Finding the Fourth Proportional to 1,008,045.65, 1,512,068.48 and 672,122.45

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Solution

The fourth proportional to 1,008,045.65, 1,512,068.48 and 672,122.45 is: 1,008,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,045.65 : 1,512,068.48 = 672,122.45 : x
  2. Step 2: Convert to fraction form
    1,008,045.65/1,512,068.48 = 672,122.45/x
  3. Step 3: Cross multiply
    1,008,045.65x = 1,512,068.48 × 672,122.45
  4. Step 4: Simplify right side
    1,008,045.65x = 1,016,295,167,984.76
  5. Step 5: Solve for x
    x = 1,016,295,167,984.76/1,008,045.65
  6. Step 6: Final answer
    x = 1,008,183.68

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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.