Home / 672,025.54-1,007,688.32-316,944.22

Finding the Fourth Proportional to 672,025.54, 1,007,688.32 and 316,944.22

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Solution

The fourth proportional to 672,025.54, 1,007,688.32 and 316,944.22 is: 475,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,025.54 : 1,007,688.32 = 316,944.22 : x
  2. Step 2: Convert to fraction form
    672,025.54/1,007,688.32 = 316,944.22/x
  3. Step 3: Cross multiply
    672,025.54x = 1,007,688.32 × 316,944.22
  4. Step 4: Simplify right side
    672,025.54x = 319,380,988,585.51
  5. Step 5: Solve for x
    x = 319,380,988,585.51/672,025.54
  6. Step 6: Final answer
    x = 475,251.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.