Home / 587,577-811,104.30-396,848.73

Finding the Fourth Proportional to 587,577, 811,104.30 and 396,848.73

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Solution

The fourth proportional to 587,577, 811,104.30 and 396,848.73 is: 547,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,577 : 811,104.30 = 396,848.73 : x
  2. Step 2: Convert to fraction form
    587,577/811,104.30 = 396,848.73/x
  3. Step 3: Cross multiply
    587,577x = 811,104.30 × 396,848.73
  4. Step 4: Simplify right side
    587,577x = 321,885,711,352.54
  5. Step 5: Solve for x
    x = 321,885,711,352.54/587,577
  6. Step 6: Final answer
    x = 547,818.77

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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.