Home / 1,381,598.70-1,906,532.37-761,383.72

Finding the Fourth Proportional to 1,381,598.70, 1,906,532.37 and 761,383.72

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Solution

The fourth proportional to 1,381,598.70, 1,906,532.37 and 761,383.72 is: 1,050,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,598.70 : 1,906,532.37 = 761,383.72 : x
  2. Step 2: Convert to fraction form
    1,381,598.70/1,906,532.37 = 761,383.72/x
  3. Step 3: Cross multiply
    1,381,598.70x = 1,906,532.37 × 761,383.72
  4. Step 4: Simplify right side
    1,381,598.70x = 1,451,602,708,171.02
  5. Step 5: Solve for x
    x = 1,451,602,708,171.02/1,381,598.70
  6. Step 6: Final answer
    x = 1,050,668.84

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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.