Home / 954,509.13-1,317,226.95-518,930.73

Finding the Fourth Proportional to 954,509.13, 1,317,226.95 and 518,930.73

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Solution

The fourth proportional to 954,509.13, 1,317,226.95 and 518,930.73 is: 716,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,509.13 : 1,317,226.95 = 518,930.73 : x
  2. Step 2: Convert to fraction form
    954,509.13/1,317,226.95 = 518,930.73/x
  3. Step 3: Cross multiply
    954,509.13x = 1,317,226.95 × 518,930.73
  4. Step 4: Simplify right side
    954,509.13x = 683,549,542,739.17
  5. Step 5: Solve for x
    x = 683,549,542,739.17/954,509.13
  6. Step 6: Final answer
    x = 716,126.77

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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.