Home / 1,424,095.40-1,965,254.60-779,556.76

Finding the Fourth Proportional to 1,424,095.40, 1,965,254.60 and 779,556.76

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Solution

The fourth proportional to 1,424,095.40, 1,965,254.60 and 779,556.76 is: 1,075,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,095.40 : 1,965,254.60 = 779,556.76 : x
  2. Step 2: Convert to fraction form
    1,424,095.40/1,965,254.60 = 779,556.76/x
  3. Step 3: Cross multiply
    1,424,095.40x = 1,965,254.60 × 779,556.76
  4. Step 4: Simplify right side
    1,424,095.40x = 1,532,027,508,551.10
  5. Step 5: Solve for x
    x = 1,532,027,508,551.10/1,424,095.40
  6. Step 6: Final answer
    x = 1,075,789.94

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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.