Home / 1,168,062.75-1,611,926.60-631,518.75

Finding the Fourth Proportional to 1,168,062.75, 1,611,926.60 and 631,518.75

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Solution

The fourth proportional to 1,168,062.75, 1,611,926.60 and 631,518.75 is: 871,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,062.75 : 1,611,926.60 = 631,518.75 : x
  2. Step 2: Convert to fraction form
    1,168,062.75/1,611,926.60 = 631,518.75/x
  3. Step 3: Cross multiply
    1,168,062.75x = 1,611,926.60 × 631,518.75
  4. Step 4: Simplify right side
    1,168,062.75x = 1,017,961,868,366.16
  5. Step 5: Solve for x
    x = 1,017,961,868,366.16/1,168,062.75
  6. Step 6: Final answer
    x = 871,495.88

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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.