Home / 954,028.32-1,315,172.16-666,656.16

Finding the Fourth Proportional to 954,028.32, 1,315,172.16 and 666,656.16

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Solution

The fourth proportional to 954,028.32, 1,315,172.16 and 666,656.16 is: 919,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,028.32 : 1,315,172.16 = 666,656.16 : x
  2. Step 2: Convert to fraction form
    954,028.32/1,315,172.16 = 666,656.16/x
  3. Step 3: Cross multiply
    954,028.32x = 1,315,172.16 × 666,656.16
  4. Step 4: Simplify right side
    954,028.32x = 876,767,621,924.51
  5. Step 5: Solve for x
    x = 876,767,621,924.51/954,028.32
  6. Step 6: Final answer
    x = 919,016.35

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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.