Home / 1,217,731.60-1,826,856.60-376,368.40

Finding the Fourth Proportional to 1,217,731.60, 1,826,856.60 and 376,368.40

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Solution

The fourth proportional to 1,217,731.60, 1,826,856.60 and 376,368.40 is: 564,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,731.60 : 1,826,856.60 = 376,368.40 : x
  2. Step 2: Convert to fraction form
    1,217,731.60/1,826,856.60 = 376,368.40/x
  3. Step 3: Cross multiply
    1,217,731.60x = 1,826,856.60 × 376,368.40
  4. Step 4: Simplify right side
    1,217,731.60x = 687,571,095,571.44
  5. Step 5: Solve for x
    x = 687,571,095,571.44/1,217,731.60
  6. Step 6: Final answer
    x = 564,632.71

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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.