Home / 972,633.69-1,342,519.55-564,918.81

Finding the Fourth Proportional to 972,633.69, 1,342,519.55 and 564,918.81

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Solution

The fourth proportional to 972,633.69, 1,342,519.55 and 564,918.81 is: 779,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,633.69 : 1,342,519.55 = 564,918.81 : x
  2. Step 2: Convert to fraction form
    972,633.69/1,342,519.55 = 564,918.81/x
  3. Step 3: Cross multiply
    972,633.69x = 1,342,519.55 × 564,918.81
  4. Step 4: Simplify right side
    972,633.69x = 758,414,540,847.14
  5. Step 5: Solve for x
    x = 758,414,540,847.14/972,633.69
  6. Step 6: Final answer
    x = 779,753.52

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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.