Home / 865,393.08-1,292,693.06-641,191.41

Finding the Fourth Proportional to 865,393.08, 1,292,693.06 and 641,191.41

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Solution

The fourth proportional to 865,393.08, 1,292,693.06 and 641,191.41 is: 957,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,393.08 : 1,292,693.06 = 641,191.41 : x
  2. Step 2: Convert to fraction form
    865,393.08/1,292,693.06 = 641,191.41/x
  3. Step 3: Cross multiply
    865,393.08x = 1,292,693.06 × 641,191.41
  4. Step 4: Simplify right side
    865,393.08x = 828,863,682,632.66
  5. Step 5: Solve for x
    x = 828,863,682,632.66/865,393.08
  6. Step 6: Final answer
    x = 957,788.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.