Home / 954,022.32-1,315,163.88-666,650.16

Finding the Fourth Proportional to 954,022.32, 1,315,163.88 and 666,650.16

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Solution

The fourth proportional to 954,022.32, 1,315,163.88 and 666,650.16 is: 919,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,022.32 : 1,315,163.88 = 666,650.16 : x
  2. Step 2: Convert to fraction form
    954,022.32/1,315,163.88 = 666,650.16/x
  3. Step 3: Cross multiply
    954,022.32x = 1,315,163.88 × 666,650.16
  4. Step 4: Simplify right side
    954,022.32x = 876,754,211,028.22
  5. Step 5: Solve for x
    x = 876,754,211,028.22/954,022.32
  6. Step 6: Final answer
    x = 919,008.07

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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.