Home / 685,799.22-946,370.07-379,854.93

Finding the Fourth Proportional to 685,799.22, 946,370.07 and 379,854.93

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Solution

The fourth proportional to 685,799.22, 946,370.07 and 379,854.93 is: 524,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,799.22 : 946,370.07 = 379,854.93 : x
  2. Step 2: Convert to fraction form
    685,799.22/946,370.07 = 379,854.93/x
  3. Step 3: Cross multiply
    685,799.22x = 946,370.07 × 379,854.93
  4. Step 4: Simplify right side
    685,799.22x = 359,483,336,693.95
  5. Step 5: Solve for x
    x = 359,483,336,693.95/685,799.22
  6. Step 6: Final answer
    x = 524,181.61

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1.5x scale

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.