Home / 876,200.79-1,314,349.02-277,117.23

Finding the Fourth Proportional to 876,200.79, 1,314,349.02 and 277,117.23

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Solution

The fourth proportional to 876,200.79, 1,314,349.02 and 277,117.23 is: 415,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,200.79 : 1,314,349.02 = 277,117.23 : x
  2. Step 2: Convert to fraction form
    876,200.79/1,314,349.02 = 277,117.23/x
  3. Step 3: Cross multiply
    876,200.79x = 1,314,349.02 × 277,117.23
  4. Step 4: Simplify right side
    876,200.79x = 364,228,759,675.62
  5. Step 5: Solve for x
    x = 364,228,759,675.62/876,200.79
  6. Step 6: Final answer
    x = 415,690.97

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.