Home / 1,364,812.86-2,047,145.46-418,186.32

Finding the Fourth Proportional to 1,364,812.86, 2,047,145.46 and 418,186.32

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Solution

The fourth proportional to 1,364,812.86, 2,047,145.46 and 418,186.32 is: 627,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,812.86 : 2,047,145.46 = 418,186.32 : x
  2. Step 2: Convert to fraction form
    1,364,812.86/2,047,145.46 = 418,186.32/x
  3. Step 3: Cross multiply
    1,364,812.86x = 2,047,145.46 × 418,186.32
  4. Step 4: Simplify right side
    1,364,812.86x = 856,088,226,422.11
  5. Step 5: Solve for x
    x = 856,088,226,422.11/1,364,812.86
  6. Step 6: Final answer
    x = 627,256.86

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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.