Home / 689,336.08-951,167.52-383,372.32

Finding the Fourth Proportional to 689,336.08, 951,167.52 and 383,372.32

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Solution

The fourth proportional to 689,336.08, 951,167.52 and 383,372.32 is: 528,989.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,336.08 : 951,167.52 = 383,372.32 : x
  2. Step 2: Convert to fraction form
    689,336.08/951,167.52 = 383,372.32/x
  3. Step 3: Cross multiply
    689,336.08x = 951,167.52 × 383,372.32
  4. Step 4: Simplify right side
    689,336.08x = 364,651,298,851.05
  5. Step 5: Solve for x
    x = 364,651,298,851.05/689,336.08
  6. Step 6: Final answer
    x = 528,989.14

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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.