Home / 698,780.10-1,048,576.56-293,942.70

Finding the Fourth Proportional to 698,780.10, 1,048,576.56 and 293,942.70

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Solution

The fourth proportional to 698,780.10, 1,048,576.56 and 293,942.70 is: 441,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,780.10 : 1,048,576.56 = 293,942.70 : x
  2. Step 2: Convert to fraction form
    698,780.10/1,048,576.56 = 293,942.70/x
  3. Step 3: Cross multiply
    698,780.10x = 1,048,576.56 × 293,942.70
  4. Step 4: Simplify right side
    698,780.10x = 308,221,425,203.11
  5. Step 5: Solve for x
    x = 308,221,425,203.11/698,780.10
  6. Step 6: Final answer
    x = 441,085.01

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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.