Home / 1,296,873.40-1,944,143.70-847,809.40

Finding the Fourth Proportional to 1,296,873.40, 1,944,143.70 and 847,809.40

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Solution

The fourth proportional to 1,296,873.40, 1,944,143.70 and 847,809.40 is: 1,270,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,873.40 : 1,944,143.70 = 847,809.40 : x
  2. Step 2: Convert to fraction form
    1,296,873.40/1,944,143.70 = 847,809.40/x
  3. Step 3: Cross multiply
    1,296,873.40x = 1,944,143.70 × 847,809.40
  4. Step 4: Simplify right side
    1,296,873.40x = 1,648,263,303,810.78
  5. Step 5: Solve for x
    x = 1,648,263,303,810.78/1,296,873.40
  6. Step 6: Final answer
    x = 1,270,951.59

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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.