Home / 526,152.11-789,345-245,516.27

Finding the Fourth Proportional to 526,152.11, 789,345 and 245,516.27

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Solution

The fourth proportional to 526,152.11, 789,345 and 245,516.27 is: 368,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,152.11 : 789,345 = 245,516.27 : x
  2. Step 2: Convert to fraction form
    526,152.11/789,345 = 245,516.27/x
  3. Step 3: Cross multiply
    526,152.11x = 789,345 × 245,516.27
  4. Step 4: Simplify right side
    526,152.11x = 193,797,036,196.43
  5. Step 5: Solve for x
    x = 193,797,036,196.43/526,152.11
  6. Step 6: Final answer
    x = 368,328.92

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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.