Home / 741,927-1,112,142.74-292,473.93

Finding the Fourth Proportional to 741,927, 1,112,142.74 and 292,473.93

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Solution

The fourth proportional to 741,927, 1,112,142.74 and 292,473.93 is: 438,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,927 : 1,112,142.74 = 292,473.93 : x
  2. Step 2: Convert to fraction form
    741,927/1,112,142.74 = 292,473.93/x
  3. Step 3: Cross multiply
    741,927x = 1,112,142.74 × 292,473.93
  4. Step 4: Simplify right side
    741,927x = 325,272,756,426.40
  5. Step 5: Solve for x
    x = 325,272,756,426.40/741,927
  6. Step 6: Final answer
    x = 438,416.12

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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.