Home / 1,405,828.20-1,940,052.16-761,248.45

Finding the Fourth Proportional to 1,405,828.20, 1,940,052.16 and 761,248.45

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Solution

The fourth proportional to 1,405,828.20, 1,940,052.16 and 761,248.45 is: 1,050,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,828.20 : 1,940,052.16 = 761,248.45 : x
  2. Step 2: Convert to fraction form
    1,405,828.20/1,940,052.16 = 761,248.45/x
  3. Step 3: Cross multiply
    1,405,828.20x = 1,940,052.16 × 761,248.45
  4. Step 4: Simplify right side
    1,405,828.20x = 1,476,861,708,552.14
  5. Step 5: Solve for x
    x = 1,476,861,708,552.14/1,405,828.20
  6. Step 6: Final answer
    x = 1,050,527.87

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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.