Home / 526,327.44-726,336.21-290,588.92

Finding the Fourth Proportional to 526,327.44, 726,336.21 and 290,588.92

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Solution

The fourth proportional to 526,327.44, 726,336.21 and 290,588.92 is: 401,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,327.44 : 726,336.21 = 290,588.92 : x
  2. Step 2: Convert to fraction form
    526,327.44/726,336.21 = 290,588.92/x
  3. Step 3: Cross multiply
    526,327.44x = 726,336.21 × 290,588.92
  4. Step 4: Simplify right side
    526,327.44x = 211,065,254,094.66
  5. Step 5: Solve for x
    x = 211,065,254,094.66/526,327.44
  6. Step 6: Final answer
    x = 401,015.10

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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.