Home / 740,803.32-1,111,286.97-291,465

Finding the Fourth Proportional to 740,803.32, 1,111,286.97 and 291,465

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Solution

The fourth proportional to 740,803.32, 1,111,286.97 and 291,465 is: 437,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,803.32 : 1,111,286.97 = 291,465 : x
  2. Step 2: Convert to fraction form
    740,803.32/1,111,286.97 = 291,465/x
  3. Step 3: Cross multiply
    740,803.32x = 1,111,286.97 × 291,465
  4. Step 4: Simplify right side
    740,803.32x = 323,901,256,711.05
  5. Step 5: Solve for x
    x = 323,901,256,711.05/740,803.32
  6. Step 6: Final answer
    x = 437,229.76

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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.