Home / 1,128,611.36-1,557,479.40-619,322.24

Finding the Fourth Proportional to 1,128,611.36, 1,557,479.40 and 619,322.24

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Solution

The fourth proportional to 1,128,611.36, 1,557,479.40 and 619,322.24 is: 854,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,611.36 : 1,557,479.40 = 619,322.24 : x
  2. Step 2: Convert to fraction form
    1,128,611.36/1,557,479.40 = 619,322.24/x
  3. Step 3: Cross multiply
    1,128,611.36x = 1,557,479.40 × 619,322.24
  4. Step 4: Simplify right side
    1,128,611.36x = 964,581,630,761.86
  5. Step 5: Solve for x
    x = 964,581,630,761.86/1,128,611.36
  6. Step 6: Final answer
    x = 854,662.34

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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.