Home / 1,855,295.45-2,781,000.83-776,426.14

Finding the Fourth Proportional to 1,855,295.45, 2,781,000.83 and 776,426.14

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Solution

The fourth proportional to 1,855,295.45, 2,781,000.83 and 776,426.14 is: 1,163,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,295.45 : 2,781,000.83 = 776,426.14 : x
  2. Step 2: Convert to fraction form
    1,855,295.45/2,781,000.83 = 776,426.14/x
  3. Step 3: Cross multiply
    1,855,295.45x = 2,781,000.83 × 776,426.14
  4. Step 4: Simplify right side
    1,855,295.45x = 2,159,241,725,868.69
  5. Step 5: Solve for x
    x = 2,159,241,725,868.69/1,855,295.45
  6. Step 6: Final answer
    x = 1,163,826.35

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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.