Home / 1,409,602.91-1,945,253.35-765,023.31

Finding the Fourth Proportional to 1,409,602.91, 1,945,253.35 and 765,023.31

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Solution

The fourth proportional to 1,409,602.91, 1,945,253.35 and 765,023.31 is: 1,055,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,602.91 : 1,945,253.35 = 765,023.31 : x
  2. Step 2: Convert to fraction form
    1,409,602.91/1,945,253.35 = 765,023.31/x
  3. Step 3: Cross multiply
    1,409,602.91x = 1,945,253.35 × 765,023.31
  4. Step 4: Simplify right side
    1,409,602.91x = 1,488,164,149,939.21
  5. Step 5: Solve for x
    x = 1,488,164,149,939.21/1,409,602.91
  6. Step 6: Final answer
    x = 1,055,732.89

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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.