Home / 807,908.54-1,114,913.51-445,338.46

Finding the Fourth Proportional to 807,908.54, 1,114,913.51 and 445,338.46

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Solution

The fourth proportional to 807,908.54, 1,114,913.51 and 445,338.46 is: 614,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,908.54 : 1,114,913.51 = 445,338.46 : x
  2. Step 2: Convert to fraction form
    807,908.54/1,114,913.51 = 445,338.46/x
  3. Step 3: Cross multiply
    807,908.54x = 1,114,913.51 × 445,338.46
  4. Step 4: Simplify right side
    807,908.54x = 496,513,863,902.66
  5. Step 5: Solve for x
    x = 496,513,863,902.66/807,908.54
  6. Step 6: Final answer
    x = 614,566.92

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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.