Home / 1,409,059.64-1,944,513.30-828,126.76

Finding the Fourth Proportional to 1,409,059.64, 1,944,513.30 and 828,126.76

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Solution

The fourth proportional to 1,409,059.64, 1,944,513.30 and 828,126.76 is: 1,142,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,059.64 : 1,944,513.30 = 828,126.76 : x
  2. Step 2: Convert to fraction form
    1,409,059.64/1,944,513.30 = 828,126.76/x
  3. Step 3: Cross multiply
    1,409,059.64x = 1,944,513.30 × 828,126.76
  4. Step 4: Simplify right side
    1,409,059.64x = 1,610,303,498,905.91
  5. Step 5: Solve for x
    x = 1,610,303,498,905.91/1,409,059.64
  6. Step 6: Final answer
    x = 1,142,821.39

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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.