Home / 519,917.32-717,362.92-301,996.51

Finding the Fourth Proportional to 519,917.32, 717,362.92 and 301,996.51

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Solution

The fourth proportional to 519,917.32, 717,362.92 and 301,996.51 is: 416,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,917.32 : 717,362.92 = 301,996.51 : x
  2. Step 2: Convert to fraction form
    519,917.32/717,362.92 = 301,996.51/x
  3. Step 3: Cross multiply
    519,917.32x = 717,362.92 × 301,996.51
  4. Step 4: Simplify right side
    519,917.32x = 216,641,096,827.50
  5. Step 5: Solve for x
    x = 216,641,096,827.50/519,917.32
  6. Step 6: Final answer
    x = 416,683.75

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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.