Home / 718,441.25-1,077,661.88-292,208.98

Finding the Fourth Proportional to 718,441.25, 1,077,661.88 and 292,208.98

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Solution

The fourth proportional to 718,441.25, 1,077,661.88 and 292,208.98 is: 438,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,441.25 : 1,077,661.88 = 292,208.98 : x
  2. Step 2: Convert to fraction form
    718,441.25/1,077,661.88 = 292,208.98/x
  3. Step 3: Cross multiply
    718,441.25x = 1,077,661.88 × 292,208.98
  4. Step 4: Simplify right side
    718,441.25x = 314,902,477,278.64
  5. Step 5: Solve for x
    x = 314,902,477,278.64/718,441.25
  6. Step 6: Final answer
    x = 438,313.47

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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.