Home / 1,709,125.76-2,561,446.08-1,257,733.76

Finding the Fourth Proportional to 1,709,125.76, 2,561,446.08 and 1,257,733.76

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Solution

The fourth proportional to 1,709,125.76, 2,561,446.08 and 1,257,733.76 is: 1,884,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,125.76 : 2,561,446.08 = 1,257,733.76 : x
  2. Step 2: Convert to fraction form
    1,709,125.76/2,561,446.08 = 1,257,733.76/x
  3. Step 3: Cross multiply
    1,709,125.76x = 2,561,446.08 × 1,257,733.76
  4. Step 4: Simplify right side
    1,709,125.76x = 3,221,617,209,235.66
  5. Step 5: Solve for x
    x = 3,221,617,209,235.66/1,709,125.76
  6. Step 6: Final answer
    x = 1,884,950.36

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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.