Home / 1,130,268.69-1,559,806.61-620,981.73

Finding the Fourth Proportional to 1,130,268.69, 1,559,806.61 and 620,981.73

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Solution

The fourth proportional to 1,130,268.69, 1,559,806.61 and 620,981.73 is: 856,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,268.69 : 1,559,806.61 = 620,981.73 : x
  2. Step 2: Convert to fraction form
    1,130,268.69/1,559,806.61 = 620,981.73/x
  3. Step 3: Cross multiply
    1,130,268.69x = 1,559,806.61 × 620,981.73
  4. Step 4: Simplify right side
    1,130,268.69x = 968,611,404,038.33
  5. Step 5: Solve for x
    x = 968,611,404,038.33/1,130,268.69
  6. Step 6: Final answer
    x = 856,974.46

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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.