Home / 1,641,814.70-2,265,609.08-916,708.32

Finding the Fourth Proportional to 1,641,814.70, 2,265,609.08 and 916,708.32

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Solution

The fourth proportional to 1,641,814.70, 2,265,609.08 and 916,708.32 is: 1,265,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,814.70 : 2,265,609.08 = 916,708.32 : x
  2. Step 2: Convert to fraction form
    1,641,814.70/2,265,609.08 = 916,708.32/x
  3. Step 3: Cross multiply
    1,641,814.70x = 2,265,609.08 × 916,708.32
  4. Step 4: Simplify right side
    1,641,814.70x = 2,076,902,695,795.32
  5. Step 5: Solve for x
    x = 2,076,902,695,795.32/1,641,814.70
  6. Step 6: Final answer
    x = 1,265,004.33

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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.