Home / 523,314.36-721,984.86-296,828.64

Finding the Fourth Proportional to 523,314.36, 721,984.86 and 296,828.64

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Solution

The fourth proportional to 523,314.36, 721,984.86 and 296,828.64 is: 409,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,314.36 : 721,984.86 = 296,828.64 : x
  2. Step 2: Convert to fraction form
    523,314.36/721,984.86 = 296,828.64/x
  3. Step 3: Cross multiply
    523,314.36x = 721,984.86 × 296,828.64
  4. Step 4: Simplify right side
    523,314.36x = 214,305,784,094.39
  5. Step 5: Solve for x
    x = 214,305,784,094.39/523,314.36
  6. Step 6: Final answer
    x = 409,516.35

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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.