Home / 1,127,894.67-1,556,608.32-644,531.22

Finding the Fourth Proportional to 1,127,894.67, 1,556,608.32 and 644,531.22

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Solution

The fourth proportional to 1,127,894.67, 1,556,608.32 and 644,531.22 is: 889,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,894.67 : 1,556,608.32 = 644,531.22 : x
  2. Step 2: Convert to fraction form
    1,127,894.67/1,556,608.32 = 644,531.22/x
  3. Step 3: Cross multiply
    1,127,894.67x = 1,556,608.32 × 644,531.22
  4. Step 4: Simplify right side
    1,127,894.67x = 1,003,282,659,551.75
  5. Step 5: Solve for x
    x = 1,003,282,659,551.75/1,127,894.67
  6. Step 6: Final answer
    x = 889,518.04

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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.