Home / 500,832.55-691,072.46-282,961.72

Finding the Fourth Proportional to 500,832.55, 691,072.46 and 282,961.72

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Solution

The fourth proportional to 500,832.55, 691,072.46 and 282,961.72 is: 390,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,832.55 : 691,072.46 = 282,961.72 : x
  2. Step 2: Convert to fraction form
    500,832.55/691,072.46 = 282,961.72/x
  3. Step 3: Cross multiply
    500,832.55x = 691,072.46 × 282,961.72
  4. Step 4: Simplify right side
    500,832.55x = 195,547,050,511.42
  5. Step 5: Solve for x
    x = 195,547,050,511.42/500,832.55
  6. Step 6: Final answer
    x = 390,443.97

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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.