Home / 1,214,156.11-1,675,491.37-670,280.23

Finding the Fourth Proportional to 1,214,156.11, 1,675,491.37 and 670,280.23

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Solution

The fourth proportional to 1,214,156.11, 1,675,491.37 and 670,280.23 is: 924,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,156.11 : 1,675,491.37 = 670,280.23 : x
  2. Step 2: Convert to fraction form
    1,214,156.11/1,675,491.37 = 670,280.23/x
  3. Step 3: Cross multiply
    1,214,156.11x = 1,675,491.37 × 670,280.23
  4. Step 4: Simplify right side
    1,214,156.11x = 1,123,048,740,846.62
  5. Step 5: Solve for x
    x = 1,123,048,740,846.62/1,214,156.11
  6. Step 6: Final answer
    x = 924,962.39

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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.