Home / 1,117,491.30-1,676,267.73-408,047.94

Finding the Fourth Proportional to 1,117,491.30, 1,676,267.73 and 408,047.94

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Solution

The fourth proportional to 1,117,491.30, 1,676,267.73 and 408,047.94 is: 612,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,491.30 : 1,676,267.73 = 408,047.94 : x
  2. Step 2: Convert to fraction form
    1,117,491.30/1,676,267.73 = 408,047.94/x
  3. Step 3: Cross multiply
    1,117,491.30x = 1,676,267.73 × 408,047.94
  4. Step 4: Simplify right side
    1,117,491.30x = 683,997,594,114.98
  5. Step 5: Solve for x
    x = 683,997,594,114.98/1,117,491.30
  6. Step 6: Final answer
    x = 612,083.15

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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.