Home / 283,024.68-390,601.69-211,280.15

Finding the Fourth Proportional to 283,024.68, 390,601.69 and 211,280.15

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Solution

The fourth proportional to 283,024.68, 390,601.69 and 211,280.15 is: 291,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,024.68 : 390,601.69 = 211,280.15 : x
  2. Step 2: Convert to fraction form
    283,024.68/390,601.69 = 211,280.15/x
  3. Step 3: Cross multiply
    283,024.68x = 390,601.69 × 211,280.15
  4. Step 4: Simplify right side
    283,024.68x = 82,526,383,093.07
  5. Step 5: Solve for x
    x = 82,526,383,093.07/283,024.68
  6. Step 6: Final answer
    x = 291,587.23

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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.