Home / 1,115,454.69-1,673,168.67-405,476.73

Finding the Fourth Proportional to 1,115,454.69, 1,673,168.67 and 405,476.73

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Solution

The fourth proportional to 1,115,454.69, 1,673,168.67 and 405,476.73 is: 608,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,454.69 : 1,673,168.67 = 405,476.73 : x
  2. Step 2: Convert to fraction form
    1,115,454.69/1,673,168.67 = 405,476.73/x
  3. Step 3: Cross multiply
    1,115,454.69x = 1,673,168.67 × 405,476.73
  4. Step 4: Simplify right side
    1,115,454.69x = 678,430,961,050.05
  5. Step 5: Solve for x
    x = 678,430,961,050.05/1,115,454.69
  6. Step 6: Final answer
    x = 608,210.24

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1.5x scale

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.