Home / 1,409,800.29-1,945,472.37-765,206.63

Finding the Fourth Proportional to 1,409,800.29, 1,945,472.37 and 765,206.63

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Solution

The fourth proportional to 1,409,800.29, 1,945,472.37 and 765,206.63 is: 1,055,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,800.29 : 1,945,472.37 = 765,206.63 : x
  2. Step 2: Convert to fraction form
    1,409,800.29/1,945,472.37 = 765,206.63/x
  3. Step 3: Cross multiply
    1,409,800.29x = 1,945,472.37 × 765,206.63
  4. Step 4: Simplify right side
    1,409,800.29x = 1,488,688,346,278.45
  5. Step 5: Solve for x
    x = 1,488,688,346,278.45/1,409,800.29
  6. Step 6: Final answer
    x = 1,055,956.90

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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.