Home / 1,056,078.52-1,457,640.42-626,607.88

Finding the Fourth Proportional to 1,056,078.52, 1,457,640.42 and 626,607.88

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Solution

The fourth proportional to 1,056,078.52, 1,457,640.42 and 626,607.88 is: 864,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,078.52 : 1,457,640.42 = 626,607.88 : x
  2. Step 2: Convert to fraction form
    1,056,078.52/1,457,640.42 = 626,607.88/x
  3. Step 3: Cross multiply
    1,056,078.52x = 1,457,640.42 × 626,607.88
  4. Step 4: Simplify right side
    1,056,078.52x = 913,368,973,378.51
  5. Step 5: Solve for x
    x = 913,368,973,378.51/1,056,078.52
  6. Step 6: Final answer
    x = 864,868.43

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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.