Home / 1,114,900.30-1,673,006.55-405,000.10

Finding the Fourth Proportional to 1,114,900.30, 1,673,006.55 and 405,000.10

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Solution

The fourth proportional to 1,114,900.30, 1,673,006.55 and 405,000.10 is: 607,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,900.30 : 1,673,006.55 = 405,000.10 : x
  2. Step 2: Convert to fraction form
    1,114,900.30/1,673,006.55 = 405,000.10/x
  3. Step 3: Cross multiply
    1,114,900.30x = 1,673,006.55 × 405,000.10
  4. Step 4: Simplify right side
    1,114,900.30x = 677,567,820,050.66
  5. Step 5: Solve for x
    x = 677,567,820,050.66/1,114,900.30
  6. Step 6: Final answer
    x = 607,738.49

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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.