Home / 1,168,090.32-1,611,961.61-651,838.80

Finding the Fourth Proportional to 1,168,090.32, 1,611,961.61 and 651,838.80

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Solution

The fourth proportional to 1,168,090.32, 1,611,961.61 and 651,838.80 is: 899,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,090.32 : 1,611,961.61 = 651,838.80 : x
  2. Step 2: Convert to fraction form
    1,168,090.32/1,611,961.61 = 651,838.80/x
  3. Step 3: Cross multiply
    1,168,090.32x = 1,611,961.61 × 651,838.80
  4. Step 4: Simplify right side
    1,168,090.32x = 1,050,739,113,448.66
  5. Step 5: Solve for x
    x = 1,050,739,113,448.66/1,168,090.32
  6. Step 6: Final answer
    x = 899,535.85

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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.