Home / 1,453,648.11-2,180,300.44-388,772.70

Finding the Fourth Proportional to 1,453,648.11, 2,180,300.44 and 388,772.70

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Solution

The fourth proportional to 1,453,648.11, 2,180,300.44 and 388,772.70 is: 583,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,648.11 : 2,180,300.44 = 388,772.70 : x
  2. Step 2: Convert to fraction form
    1,453,648.11/2,180,300.44 = 388,772.70/x
  3. Step 3: Cross multiply
    1,453,648.11x = 2,180,300.44 × 388,772.70
  4. Step 4: Simplify right side
    1,453,648.11x = 847,641,288,869.99
  5. Step 5: Solve for x
    x = 847,641,288,869.99/1,453,648.11
  6. Step 6: Final answer
    x = 583,113.12

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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.