Home / 1,127,687.92-1,556,230.68-618,359.92

Finding the Fourth Proportional to 1,127,687.92, 1,556,230.68 and 618,359.92

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Solution

The fourth proportional to 1,127,687.92, 1,556,230.68 and 618,359.92 is: 853,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,687.92 : 1,556,230.68 = 618,359.92 : x
  2. Step 2: Convert to fraction form
    1,127,687.92/1,556,230.68 = 618,359.92/x
  3. Step 3: Cross multiply
    1,127,687.92x = 1,556,230.68 × 618,359.92
  4. Step 4: Simplify right side
    1,127,687.92x = 962,310,678,786.35
  5. Step 5: Solve for x
    x = 962,310,678,786.35/1,127,687.92
  6. Step 6: Final answer
    x = 853,348.40

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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.