Home / 936,999.43-1,406,061.42-404,519.94

Finding the Fourth Proportional to 936,999.43, 1,406,061.42 and 404,519.94

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Solution

The fourth proportional to 936,999.43, 1,406,061.42 and 404,519.94 is: 607,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,999.43 : 1,406,061.42 = 404,519.94 : x
  2. Step 2: Convert to fraction form
    936,999.43/1,406,061.42 = 404,519.94/x
  3. Step 3: Cross multiply
    936,999.43x = 1,406,061.42 × 404,519.94
  4. Step 4: Simplify right side
    936,999.43x = 568,779,879,737.77
  5. Step 5: Solve for x
    x = 568,779,879,737.77/936,999.43
  6. Step 6: Final answer
    x = 607,022.65

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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.