Home / 646,779.72-886,092.52-622,537.88

Finding the Fourth Proportional to 646,779.72, 886,092.52 and 622,537.88

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Solution

The fourth proportional to 646,779.72, 886,092.52 and 622,537.88 is: 852,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,779.72 : 886,092.52 = 622,537.88 : x
  2. Step 2: Convert to fraction form
    646,779.72/886,092.52 = 622,537.88/x
  3. Step 3: Cross multiply
    646,779.72x = 886,092.52 × 622,537.88
  4. Step 4: Simplify right side
    646,779.72x = 551,626,158,884.66
  5. Step 5: Solve for x
    x = 551,626,158,884.66/646,779.72
  6. Step 6: Final answer
    x = 852,881.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.