Home / 1,384,348.96-1,910,514-780,862.24

Finding the Fourth Proportional to 1,384,348.96, 1,910,514 and 780,862.24

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Solution

The fourth proportional to 1,384,348.96, 1,910,514 and 780,862.24 is: 1,077,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,348.96 : 1,910,514 = 780,862.24 : x
  2. Step 2: Convert to fraction form
    1,384,348.96/1,910,514 = 780,862.24/x
  3. Step 3: Cross multiply
    1,384,348.96x = 1,910,514 × 780,862.24
  4. Step 4: Simplify right side
    1,384,348.96x = 1,491,848,241,591.36
  5. Step 5: Solve for x
    x = 1,491,848,241,591.36/1,384,348.96
  6. Step 6: Final answer
    x = 1,077,653.31

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Double scale
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1.5x scale

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.