Home / 1,235,835.17-1,853,076.97-981,302.78

Finding the Fourth Proportional to 1,235,835.17, 1,853,076.97 and 981,302.78

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Solution

The fourth proportional to 1,235,835.17, 1,853,076.97 and 981,302.78 is: 1,471,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,835.17 : 1,853,076.97 = 981,302.78 : x
  2. Step 2: Convert to fraction form
    1,235,835.17/1,853,076.97 = 981,302.78/x
  3. Step 3: Cross multiply
    1,235,835.17x = 1,853,076.97 × 981,302.78
  4. Step 4: Simplify right side
    1,235,835.17x = 1,818,429,572,949.59
  5. Step 5: Solve for x
    x = 1,818,429,572,949.59/1,235,835.17
  6. Step 6: Final answer
    x = 1,471,417.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.