Home / 641,172.93-884,815.41-350,779.22

Finding the Fourth Proportional to 641,172.93, 884,815.41 and 350,779.22

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Solution

The fourth proportional to 641,172.93, 884,815.41 and 350,779.22 is: 484,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,172.93 : 884,815.41 = 350,779.22 : x
  2. Step 2: Convert to fraction form
    641,172.93/884,815.41 = 350,779.22/x
  3. Step 3: Cross multiply
    641,172.93x = 884,815.41 × 350,779.22
  4. Step 4: Simplify right side
    641,172.93x = 310,374,864,550.27
  5. Step 5: Solve for x
    x = 310,374,864,550.27/641,172.93
  6. Step 6: Final answer
    x = 484,073.56

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1.5x scale

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.