Home / 807,917.49-1,114,925.85-445,347.38

Finding the Fourth Proportional to 807,917.49, 1,114,925.85 and 445,347.38

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Solution

The fourth proportional to 807,917.49, 1,114,925.85 and 445,347.38 is: 614,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,917.49 : 1,114,925.85 = 445,347.38 : x
  2. Step 2: Convert to fraction form
    807,917.49/1,114,925.85 = 445,347.38/x
  3. Step 3: Cross multiply
    807,917.49x = 1,114,925.85 × 445,347.38
  4. Step 4: Simplify right side
    807,917.49x = 496,529,308,979.09
  5. Step 5: Solve for x
    x = 496,529,308,979.09/807,917.49
  6. Step 6: Final answer
    x = 614,579.23

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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.