Home / 1,127,672.85-1,556,092.31-637,618.35

Finding the Fourth Proportional to 1,127,672.85, 1,556,092.31 and 637,618.35

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Solution

The fourth proportional to 1,127,672.85, 1,556,092.31 and 637,618.35 is: 879,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,672.85 : 1,556,092.31 = 637,618.35 : x
  2. Step 2: Convert to fraction form
    1,127,672.85/1,556,092.31 = 637,618.35/x
  3. Step 3: Cross multiply
    1,127,672.85x = 1,556,092.31 × 637,618.35
  4. Step 4: Simplify right side
    1,127,672.85x = 992,193,007,961.80
  5. Step 5: Solve for x
    x = 992,193,007,961.80/1,127,672.85
  6. Step 6: Final answer
    x = 879,858.91

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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.