Home / 1,217,644.90-1,825,927.44-648,920

Finding the Fourth Proportional to 1,217,644.90, 1,825,927.44 and 648,920

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Solution

The fourth proportional to 1,217,644.90, 1,825,927.44 and 648,920 is: 973,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,644.90 : 1,825,927.44 = 648,920 : x
  2. Step 2: Convert to fraction form
    1,217,644.90/1,825,927.44 = 648,920/x
  3. Step 3: Cross multiply
    1,217,644.90x = 1,825,927.44 × 648,920
  4. Step 4: Simplify right side
    1,217,644.90x = 1,184,880,834,364.80
  5. Step 5: Solve for x
    x = 1,184,880,834,364.80/1,217,644.90
  6. Step 6: Final answer
    x = 973,092.27

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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.