Home / 893,576.06-1,233,143.21-485,678.86

Finding the Fourth Proportional to 893,576.06, 1,233,143.21 and 485,678.86

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Solution

The fourth proportional to 893,576.06, 1,233,143.21 and 485,678.86 is: 670,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,576.06 : 1,233,143.21 = 485,678.86 : x
  2. Step 2: Convert to fraction form
    893,576.06/1,233,143.21 = 485,678.86/x
  3. Step 3: Cross multiply
    893,576.06x = 1,233,143.21 × 485,678.86
  4. Step 4: Simplify right side
    893,576.06x = 598,911,582,283.83
  5. Step 5: Solve for x
    x = 598,911,582,283.83/893,576.06
  6. Step 6: Final answer
    x = 670,241.31

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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.