Home / 587,799.62-811,335.86-383,881.34

Finding the Fourth Proportional to 587,799.62, 811,335.86 and 383,881.34

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Solution

The fourth proportional to 587,799.62, 811,335.86 and 383,881.34 is: 529,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,799.62 : 811,335.86 = 383,881.34 : x
  2. Step 2: Convert to fraction form
    587,799.62/811,335.86 = 383,881.34/x
  3. Step 3: Cross multiply
    587,799.62x = 811,335.86 × 383,881.34
  4. Step 4: Simplify right side
    587,799.62x = 311,456,698,675.34
  5. Step 5: Solve for x
    x = 311,456,698,675.34/587,799.62
  6. Step 6: Final answer
    x = 529,868.83

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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.