Home / 621,246.78-931,871.39-171,968.94

Finding the Fourth Proportional to 621,246.78, 931,871.39 and 171,968.94

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Solution

The fourth proportional to 621,246.78, 931,871.39 and 171,968.94 is: 257,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,246.78 : 931,871.39 = 171,968.94 : x
  2. Step 2: Convert to fraction form
    621,246.78/931,871.39 = 171,968.94/x
  3. Step 3: Cross multiply
    621,246.78x = 931,871.39 × 171,968.94
  4. Step 4: Simplify right side
    621,246.78x = 160,252,934,294.78
  5. Step 5: Solve for x
    x = 160,252,934,294.78/621,246.78
  6. Step 6: Final answer
    x = 257,953.75

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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.