Home / 1,421,084.19-2,131,538.81-474,375.63

Finding the Fourth Proportional to 1,421,084.19, 2,131,538.81 and 474,375.63

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Solution

The fourth proportional to 1,421,084.19, 2,131,538.81 and 474,375.63 is: 711,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,084.19 : 2,131,538.81 = 474,375.63 : x
  2. Step 2: Convert to fraction form
    1,421,084.19/2,131,538.81 = 474,375.63/x
  3. Step 3: Cross multiply
    1,421,084.19x = 2,131,538.81 × 474,375.63
  4. Step 4: Simplify right side
    1,421,084.19x = 1,011,150,063,491.32
  5. Step 5: Solve for x
    x = 1,011,150,063,491.32/1,421,084.19
  6. Step 6: Final answer
    x = 711,534.24

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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.