Home / 1,120,970.94-1,546,974.08-637,605.73

Finding the Fourth Proportional to 1,120,970.94, 1,546,974.08 and 637,605.73

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Solution

The fourth proportional to 1,120,970.94, 1,546,974.08 and 637,605.73 is: 879,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,970.94 : 1,546,974.08 = 637,605.73 : x
  2. Step 2: Convert to fraction form
    1,120,970.94/1,546,974.08 = 637,605.73/x
  3. Step 3: Cross multiply
    1,120,970.94x = 1,546,974.08 × 637,605.73
  4. Step 4: Simplify right side
    1,120,970.94x = 986,359,537,569.48
  5. Step 5: Solve for x
    x = 986,359,537,569.48/1,120,970.94
  6. Step 6: Final answer
    x = 879,915.35

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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.