Home / 530,969.22-732,719.05-289,245.58

Finding the Fourth Proportional to 530,969.22, 732,719.05 and 289,245.58

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Solution

The fourth proportional to 530,969.22, 732,719.05 and 289,245.58 is: 399,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,969.22 : 732,719.05 = 289,245.58 : x
  2. Step 2: Convert to fraction form
    530,969.22/732,719.05 = 289,245.58/x
  3. Step 3: Cross multiply
    530,969.22x = 732,719.05 × 289,245.58
  4. Step 4: Simplify right side
    530,969.22x = 211,935,744,039.39
  5. Step 5: Solve for x
    x = 211,935,744,039.39/530,969.22
  6. Step 6: Final answer
    x = 399,148.83

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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.