Home / 1,556,322.43-2,147,728.76-868,038.88

Finding the Fourth Proportional to 1,556,322.43, 2,147,728.76 and 868,038.88

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Solution

The fourth proportional to 1,556,322.43, 2,147,728.76 and 868,038.88 is: 1,197,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,322.43 : 2,147,728.76 = 868,038.88 : x
  2. Step 2: Convert to fraction form
    1,556,322.43/2,147,728.76 = 868,038.88/x
  3. Step 3: Cross multiply
    1,556,322.43x = 2,147,728.76 × 868,038.88
  4. Step 4: Simplify right side
    1,556,322.43x = 1,864,312,067,374.19
  5. Step 5: Solve for x
    x = 1,864,312,067,374.19/1,556,322.43
  6. Step 6: Final answer
    x = 1,197,895.78

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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.