Home / 1,065,516.85-1,598,905.82-392,071.07

Finding the Fourth Proportional to 1,065,516.85, 1,598,905.82 and 392,071.07

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Solution

The fourth proportional to 1,065,516.85, 1,598,905.82 and 392,071.07 is: 588,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,516.85 : 1,598,905.82 = 392,071.07 : x
  2. Step 2: Convert to fraction form
    1,065,516.85/1,598,905.82 = 392,071.07/x
  3. Step 3: Cross multiply
    1,065,516.85x = 1,598,905.82 × 392,071.07
  4. Step 4: Simplify right side
    1,065,516.85x = 626,884,715,676.63
  5. Step 5: Solve for x
    x = 626,884,715,676.63/1,065,516.85
  6. Step 6: Final answer
    x = 588,338.62

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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.