Home / 1,003,973.81-1,385,083.19-641,303.60

Finding the Fourth Proportional to 1,003,973.81, 1,385,083.19 and 641,303.60

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Solution

The fourth proportional to 1,003,973.81, 1,385,083.19 and 641,303.60 is: 884,743.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,973.81 : 1,385,083.19 = 641,303.60 : x
  2. Step 2: Convert to fraction form
    1,003,973.81/1,385,083.19 = 641,303.60/x
  3. Step 3: Cross multiply
    1,003,973.81x = 1,385,083.19 × 641,303.60
  4. Step 4: Simplify right side
    1,003,973.81x = 888,258,830,724.33
  5. Step 5: Solve for x
    x = 888,258,830,724.33/1,003,973.81
  6. Step 6: Final answer
    x = 884,743.03

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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.