Home / 853,652.46-1,279,461.33-397,631.82

Finding the Fourth Proportional to 853,652.46, 1,279,461.33 and 397,631.82

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Solution

The fourth proportional to 853,652.46, 1,279,461.33 and 397,631.82 is: 595,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,652.46 : 1,279,461.33 = 397,631.82 : x
  2. Step 2: Convert to fraction form
    853,652.46/1,279,461.33 = 397,631.82/x
  3. Step 3: Cross multiply
    853,652.46x = 1,279,461.33 × 397,631.82
  4. Step 4: Simplify right side
    853,652.46x = 508,754,537,267.52
  5. Step 5: Solve for x
    x = 508,754,537,267.52/853,652.46
  6. Step 6: Final answer
    x = 595,973.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.