Home / 1,384,453.15-1,910,541.53-772,599.40

Finding the Fourth Proportional to 1,384,453.15, 1,910,541.53 and 772,599.40

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Solution

The fourth proportional to 1,384,453.15, 1,910,541.53 and 772,599.40 is: 1,066,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,453.15 : 1,910,541.53 = 772,599.40 : x
  2. Step 2: Convert to fraction form
    1,384,453.15/1,910,541.53 = 772,599.40/x
  3. Step 3: Cross multiply
    1,384,453.15x = 1,910,541.53 × 772,599.40
  4. Step 4: Simplify right side
    1,384,453.15x = 1,476,083,236,908.23
  5. Step 5: Solve for x
    x = 1,476,083,236,908.23/1,384,453.15
  6. Step 6: Final answer
    x = 1,066,185.04

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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.