Home / 1,405,927.64-1,940,181.18-761,348.54

Finding the Fourth Proportional to 1,405,927.64, 1,940,181.18 and 761,348.54

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Solution

The fourth proportional to 1,405,927.64, 1,940,181.18 and 761,348.54 is: 1,050,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,927.64 : 1,940,181.18 = 761,348.54 : x
  2. Step 2: Convert to fraction form
    1,405,927.64/1,940,181.18 = 761,348.54/x
  3. Step 3: Cross multiply
    1,405,927.64x = 1,940,181.18 × 761,348.54
  4. Step 4: Simplify right side
    1,405,927.64x = 1,477,154,108,728.48
  5. Step 5: Solve for x
    x = 1,477,154,108,728.48/1,405,927.64
  6. Step 6: Final answer
    x = 1,050,661.55

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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.