Home / 1,207,313.34-1,811,025-853,905.08

Finding the Fourth Proportional to 1,207,313.34, 1,811,025 and 853,905.08

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Solution

The fourth proportional to 1,207,313.34, 1,811,025 and 853,905.08 is: 1,280,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,313.34 : 1,811,025 = 853,905.08 : x
  2. Step 2: Convert to fraction form
    1,207,313.34/1,811,025 = 853,905.08/x
  3. Step 3: Cross multiply
    1,207,313.34x = 1,811,025 × 853,905.08
  4. Step 4: Simplify right side
    1,207,313.34x = 1,546,443,438,451.88
  5. Step 5: Solve for x
    x = 1,546,443,438,451.88/1,207,313.34
  6. Step 6: Final answer
    x = 1,280,896.51

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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.