Home / 972,690.52-1,342,135.96-683,186.67

Finding the Fourth Proportional to 972,690.52, 1,342,135.96 and 683,186.67

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Solution

The fourth proportional to 972,690.52, 1,342,135.96 and 683,186.67 is: 942,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,690.52 : 1,342,135.96 = 683,186.67 : x
  2. Step 2: Convert to fraction form
    972,690.52/1,342,135.96 = 683,186.67/x
  3. Step 3: Cross multiply
    972,690.52x = 1,342,135.96 × 683,186.67
  4. Step 4: Simplify right side
    972,690.52x = 916,929,392,136.35
  5. Step 5: Solve for x
    x = 916,929,392,136.35/972,690.52
  6. Step 6: Final answer
    x = 942,673.31

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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.