Home / 1,215,891.40-1,824,493.74-506,409.16

Finding the Fourth Proportional to 1,215,891.40, 1,824,493.74 and 506,409.16

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Solution

The fourth proportional to 1,215,891.40, 1,824,493.74 and 506,409.16 is: 759,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,891.40 : 1,824,493.74 = 506,409.16 : x
  2. Step 2: Convert to fraction form
    1,215,891.40/1,824,493.74 = 506,409.16/x
  3. Step 3: Cross multiply
    1,215,891.40x = 1,824,493.74 × 506,409.16
  4. Step 4: Simplify right side
    1,215,891.40x = 923,940,342,298.66
  5. Step 5: Solve for x
    x = 923,940,342,298.66/1,215,891.40
  6. Step 6: Final answer
    x = 759,887.23

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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.