Home / 961,055.70-1,326,355.47-553,172.82

Finding the Fourth Proportional to 961,055.70, 1,326,355.47 and 553,172.82

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Solution

The fourth proportional to 961,055.70, 1,326,355.47 and 553,172.82 is: 763,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,055.70 : 1,326,355.47 = 553,172.82 : x
  2. Step 2: Convert to fraction form
    961,055.70/1,326,355.47 = 553,172.82/x
  3. Step 3: Cross multiply
    961,055.70x = 1,326,355.47 × 553,172.82
  4. Step 4: Simplify right side
    961,055.70x = 733,703,795,662.33
  5. Step 5: Solve for x
    x = 733,703,795,662.33/961,055.70
  6. Step 6: Final answer
    x = 763,435.25

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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.