Home / 954,441.53-1,317,137.86-518,859.78

Finding the Fourth Proportional to 954,441.53, 1,317,137.86 and 518,859.78

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Solution

The fourth proportional to 954,441.53, 1,317,137.86 and 518,859.78 is: 716,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,441.53 : 1,317,137.86 = 518,859.78 : x
  2. Step 2: Convert to fraction form
    954,441.53/1,317,137.86 = 518,859.78/x
  3. Step 3: Cross multiply
    954,441.53x = 1,317,137.86 × 518,859.78
  4. Step 4: Simplify right side
    954,441.53x = 683,409,855,978.58
  5. Step 5: Solve for x
    x = 683,409,855,978.58/954,441.53
  6. Step 6: Final answer
    x = 716,031.14

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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.