Home / 1,222,971.58-1,834,782.69-424,251.82

Finding the Fourth Proportional to 1,222,971.58, 1,834,782.69 and 424,251.82

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Solution

The fourth proportional to 1,222,971.58, 1,834,782.69 and 424,251.82 is: 636,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,971.58 : 1,834,782.69 = 424,251.82 : x
  2. Step 2: Convert to fraction form
    1,222,971.58/1,834,782.69 = 424,251.82/x
  3. Step 3: Cross multiply
    1,222,971.58x = 1,834,782.69 × 424,251.82
  4. Step 4: Simplify right side
    1,222,971.58x = 778,409,895,537.00
  5. Step 5: Solve for x
    x = 778,409,895,537.00/1,222,971.58
  6. Step 6: Final answer
    x = 636,490.58

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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.