Home / 1,395,533.91-1,926,045.08-851,984.78

Finding the Fourth Proportional to 1,395,533.91, 1,926,045.08 and 851,984.78

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Solution

The fourth proportional to 1,395,533.91, 1,926,045.08 and 851,984.78 is: 1,175,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,533.91 : 1,926,045.08 = 851,984.78 : x
  2. Step 2: Convert to fraction form
    1,395,533.91/1,926,045.08 = 851,984.78/x
  3. Step 3: Cross multiply
    1,395,533.91x = 1,926,045.08 × 851,984.78
  4. Step 4: Simplify right side
    1,395,533.91x = 1,640,961,098,685.09
  5. Step 5: Solve for x
    x = 1,640,961,098,685.09/1,395,533.91
  6. Step 6: Final answer
    x = 1,175,866.16

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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.