Home / 1,405,925.64-1,940,178.42-761,346.54

Finding the Fourth Proportional to 1,405,925.64, 1,940,178.42 and 761,346.54

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Solution

The fourth proportional to 1,405,925.64, 1,940,178.42 and 761,346.54 is: 1,050,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,925.64 : 1,940,178.42 = 761,346.54 : x
  2. Step 2: Convert to fraction form
    1,405,925.64/1,940,178.42 = 761,346.54/x
  3. Step 3: Cross multiply
    1,405,925.64x = 1,940,178.42 × 761,346.54
  4. Step 4: Simplify right side
    1,405,925.64x = 1,477,148,127,049.67
  5. Step 5: Solve for x
    x = 1,477,148,127,049.67/1,405,925.64
  6. Step 6: Final answer
    x = 1,050,658.79

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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.