Home / 1,505,335.16-2,076,856.89-961,789.11

Finding the Fourth Proportional to 1,505,335.16, 2,076,856.89 and 961,789.11

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Solution

The fourth proportional to 1,505,335.16, 2,076,856.89 and 961,789.11 is: 1,326,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,335.16 : 2,076,856.89 = 961,789.11 : x
  2. Step 2: Convert to fraction form
    1,505,335.16/2,076,856.89 = 961,789.11/x
  3. Step 3: Cross multiply
    1,505,335.16x = 2,076,856.89 × 961,789.11
  4. Step 4: Simplify right side
    1,505,335.16x = 1,997,498,349,340.29
  5. Step 5: Solve for x
    x = 1,997,498,349,340.29/1,505,335.16
  6. Step 6: Final answer
    x = 1,326,945.92

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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.