Home / 587,893.33-811,465.46-383,975.43

Finding the Fourth Proportional to 587,893.33, 811,465.46 and 383,975.43

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Solution

The fourth proportional to 587,893.33, 811,465.46 and 383,975.43 is: 529,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,893.33 : 811,465.46 = 383,975.43 : x
  2. Step 2: Convert to fraction form
    587,893.33/811,465.46 = 383,975.43/x
  3. Step 3: Cross multiply
    587,893.33x = 811,465.46 × 383,975.43
  4. Step 4: Simplify right side
    587,893.33x = 311,582,798,933.65
  5. Step 5: Solve for x
    x = 311,582,798,933.65/587,893.33
  6. Step 6: Final answer
    x = 529,998.87

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Double scale
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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.