Home / 808,041.09-1,115,105.30-445,477.93

Finding the Fourth Proportional to 808,041.09, 1,115,105.30 and 445,477.93

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Solution

The fourth proportional to 808,041.09, 1,115,105.30 and 445,477.93 is: 614,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,041.09 : 1,115,105.30 = 445,477.93 : x
  2. Step 2: Convert to fraction form
    808,041.09/1,115,105.30 = 445,477.93/x
  3. Step 3: Cross multiply
    808,041.09x = 1,115,105.30 × 445,477.93
  4. Step 4: Simplify right side
    808,041.09x = 496,754,797,431.42
  5. Step 5: Solve for x
    x = 496,754,797,431.42/808,041.09
  6. Step 6: Final answer
    x = 614,764.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.