Home / 945,339.89-1,416,609.34-778,048.97

Finding the Fourth Proportional to 945,339.89, 1,416,609.34 and 778,048.97

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Solution

The fourth proportional to 945,339.89, 1,416,609.34 and 778,048.97 is: 1,165,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,339.89 : 1,416,609.34 = 778,048.97 : x
  2. Step 2: Convert to fraction form
    945,339.89/1,416,609.34 = 778,048.97/x
  3. Step 3: Cross multiply
    945,339.89x = 1,416,609.34 × 778,048.97
  4. Step 4: Simplify right side
    945,339.89x = 1,102,191,428,851.21
  5. Step 5: Solve for x
    x = 1,102,191,428,851.21/945,339.89
  6. Step 6: Final answer
    x = 1,165,920.79

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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.