Home / 972,645.43-1,342,245.57-564,847.54

Finding the Fourth Proportional to 972,645.43, 1,342,245.57 and 564,847.54

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Solution

The fourth proportional to 972,645.43, 1,342,245.57 and 564,847.54 is: 779,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,645.43 : 1,342,245.57 = 564,847.54 : x
  2. Step 2: Convert to fraction form
    972,645.43/1,342,245.57 = 564,847.54/x
  3. Step 3: Cross multiply
    972,645.43x = 1,342,245.57 × 564,847.54
  4. Step 4: Simplify right side
    972,645.43x = 758,164,108,290.40
  5. Step 5: Solve for x
    x = 758,164,108,290.40/972,645.43
  6. Step 6: Final answer
    x = 779,486.63

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Double scale
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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.