Home / 1,405,824.95-1,940,035.07-761,245.12

Finding the Fourth Proportional to 1,405,824.95, 1,940,035.07 and 761,245.12

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Solution

The fourth proportional to 1,405,824.95, 1,940,035.07 and 761,245.12 is: 1,050,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,824.95 : 1,940,035.07 = 761,245.12 : x
  2. Step 2: Convert to fraction form
    1,405,824.95/1,940,035.07 = 761,245.12/x
  3. Step 3: Cross multiply
    1,405,824.95x = 1,940,035.07 × 761,245.12
  4. Step 4: Simplify right side
    1,405,824.95x = 1,476,842,229,712.51
  5. Step 5: Solve for x
    x = 1,476,842,229,712.51/1,405,824.95
  6. Step 6: Final answer
    x = 1,050,516.45

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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.