Home / 1,138,329.81-1,570,917.90-622,115.79

Finding the Fourth Proportional to 1,138,329.81, 1,570,917.90 and 622,115.79

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Solution

The fourth proportional to 1,138,329.81, 1,570,917.90 and 622,115.79 is: 858,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,329.81 : 1,570,917.90 = 622,115.79 : x
  2. Step 2: Convert to fraction form
    1,138,329.81/1,570,917.90 = 622,115.79/x
  3. Step 3: Cross multiply
    1,138,329.81x = 1,570,917.90 × 622,115.79
  4. Step 4: Simplify right side
    1,138,329.81x = 977,292,830,383.64
  5. Step 5: Solve for x
    x = 977,292,830,383.64/1,138,329.81
  6. Step 6: Final answer
    x = 858,532.23

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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.