Home / 1,670,779.31-2,305,613.77-906,816.47

Finding the Fourth Proportional to 1,670,779.31, 2,305,613.77 and 906,816.47

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Solution

The fourth proportional to 1,670,779.31, 2,305,613.77 and 906,816.47 is: 1,251,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,779.31 : 2,305,613.77 = 906,816.47 : x
  2. Step 2: Convert to fraction form
    1,670,779.31/2,305,613.77 = 906,816.47/x
  3. Step 3: Cross multiply
    1,670,779.31x = 2,305,613.77 × 906,816.47
  4. Step 4: Simplify right side
    1,670,779.31x = 2,090,768,526,299.68
  5. Step 5: Solve for x
    x = 2,090,768,526,299.68/1,670,779.31
  6. Step 6: Final answer
    x = 1,251,373.25

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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.