Home / 1,124,085.82-1,551,199.94-640,806.60

Finding the Fourth Proportional to 1,124,085.82, 1,551,199.94 and 640,806.60

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Solution

The fourth proportional to 1,124,085.82, 1,551,199.94 and 640,806.60 is: 884,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,085.82 : 1,551,199.94 = 640,806.60 : x
  2. Step 2: Convert to fraction form
    1,124,085.82/1,551,199.94 = 640,806.60/x
  3. Step 3: Cross multiply
    1,124,085.82x = 1,551,199.94 × 640,806.60
  4. Step 4: Simplify right side
    1,124,085.82x = 994,019,159,471.60
  5. Step 5: Solve for x
    x = 994,019,159,471.60/1,124,085.82
  6. Step 6: Final answer
    x = 884,291.17

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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.