Home / 738,020.40-1,107,030.60-264,534.90

Finding the Fourth Proportional to 738,020.40, 1,107,030.60 and 264,534.90

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Solution

The fourth proportional to 738,020.40, 1,107,030.60 and 264,534.90 is: 396,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,020.40 : 1,107,030.60 = 264,534.90 : x
  2. Step 2: Convert to fraction form
    738,020.40/1,107,030.60 = 264,534.90/x
  3. Step 3: Cross multiply
    738,020.40x = 1,107,030.60 × 264,534.90
  4. Step 4: Simplify right side
    738,020.40x = 292,848,229,067.94
  5. Step 5: Solve for x
    x = 292,848,229,067.94/738,020.40
  6. Step 6: Final answer
    x = 396,802.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.