Home / 1,217,981.70-1,826,972.55-376,532.10

Finding the Fourth Proportional to 1,217,981.70, 1,826,972.55 and 376,532.10

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Solution

The fourth proportional to 1,217,981.70, 1,826,972.55 and 376,532.10 is: 564,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,981.70 : 1,826,972.55 = 376,532.10 : x
  2. Step 2: Convert to fraction form
    1,217,981.70/1,826,972.55 = 376,532.10/x
  3. Step 3: Cross multiply
    1,217,981.70x = 1,826,972.55 × 376,532.10
  4. Step 4: Simplify right side
    1,217,981.70x = 687,913,810,893.86
  5. Step 5: Solve for x
    x = 687,913,810,893.86/1,217,981.70
  6. Step 6: Final answer
    x = 564,798.15

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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.