Home / 882,889.07-1,325,120.92-409,840.97

Finding the Fourth Proportional to 882,889.07, 1,325,120.92 and 409,840.97

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Solution

The fourth proportional to 882,889.07, 1,325,120.92 and 409,840.97 is: 615,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,889.07 : 1,325,120.92 = 409,840.97 : x
  2. Step 2: Convert to fraction form
    882,889.07/1,325,120.92 = 409,840.97/x
  3. Step 3: Cross multiply
    882,889.07x = 1,325,120.92 × 409,840.97
  4. Step 4: Simplify right side
    882,889.07x = 543,088,835,569.89
  5. Step 5: Solve for x
    x = 543,088,835,569.89/882,889.07
  6. Step 6: Final answer
    x = 615,126.92

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1.5x scale

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.