Home / 384,666.22-530,811.58-212,582.12

Finding the Fourth Proportional to 384,666.22, 530,811.58 and 212,582.12

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Solution

The fourth proportional to 384,666.22, 530,811.58 and 212,582.12 is: 293,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,666.22 : 530,811.58 = 212,582.12 : x
  2. Step 2: Convert to fraction form
    384,666.22/530,811.58 = 212,582.12/x
  3. Step 3: Cross multiply
    384,666.22x = 530,811.58 × 212,582.12
  4. Step 4: Simplify right side
    384,666.22x = 112,841,050,996.95
  5. Step 5: Solve for x
    x = 112,841,050,996.95/384,666.22
  6. Step 6: Final answer
    x = 293,347.96

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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.