Home / 1,167,140.77-1,611,982.86-784,503.25

Finding the Fourth Proportional to 1,167,140.77, 1,611,982.86 and 784,503.25

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Solution

The fourth proportional to 1,167,140.77, 1,611,982.86 and 784,503.25 is: 1,083,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,140.77 : 1,611,982.86 = 784,503.25 : x
  2. Step 2: Convert to fraction form
    1,167,140.77/1,611,982.86 = 784,503.25/x
  3. Step 3: Cross multiply
    1,167,140.77x = 1,611,982.86 × 784,503.25
  4. Step 4: Simplify right side
    1,167,140.77x = 1,264,605,788,584.34
  5. Step 5: Solve for x
    x = 1,264,605,788,584.34/1,167,140.77
  6. Step 6: Final answer
    x = 1,083,507.51

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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.