Home / 954,155.30-1,316,736.20-518,575.06

Finding the Fourth Proportional to 954,155.30, 1,316,736.20 and 518,575.06

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Solution

The fourth proportional to 954,155.30, 1,316,736.20 and 518,575.06 is: 715,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,155.30 : 1,316,736.20 = 518,575.06 : x
  2. Step 2: Convert to fraction form
    954,155.30/1,316,736.20 = 518,575.06/x
  3. Step 3: Cross multiply
    954,155.30x = 1,316,736.20 × 518,575.06
  4. Step 4: Simplify right side
    954,155.30x = 682,826,556,861.53
  5. Step 5: Solve for x
    x = 682,826,556,861.53/954,155.30
  6. Step 6: Final answer
    x = 715,634.61

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1.5x scale

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.