Home / 1,276,696.55-1,761,840.80-703,746.29

Finding the Fourth Proportional to 1,276,696.55, 1,761,840.80 and 703,746.29

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Solution

The fourth proportional to 1,276,696.55, 1,761,840.80 and 703,746.29 is: 971,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,696.55 : 1,761,840.80 = 703,746.29 : x
  2. Step 2: Convert to fraction form
    1,276,696.55/1,761,840.80 = 703,746.29/x
  3. Step 3: Cross multiply
    1,276,696.55x = 1,761,840.80 × 703,746.29
  4. Step 4: Simplify right side
    1,276,696.55x = 1,239,888,926,570.63
  5. Step 5: Solve for x
    x = 1,239,888,926,570.63/1,276,696.55
  6. Step 6: Final answer
    x = 971,169.64

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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.