Home / 873,863.27-1,205,931.62-511,356.82

Finding the Fourth Proportional to 873,863.27, 1,205,931.62 and 511,356.82

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Solution

The fourth proportional to 873,863.27, 1,205,931.62 and 511,356.82 is: 705,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,863.27 : 1,205,931.62 = 511,356.82 : x
  2. Step 2: Convert to fraction form
    873,863.27/1,205,931.62 = 511,356.82/x
  3. Step 3: Cross multiply
    873,863.27x = 1,205,931.62 × 511,356.82
  4. Step 4: Simplify right side
    873,863.27x = 616,661,355,783.86
  5. Step 5: Solve for x
    x = 616,661,355,783.86/873,863.27
  6. Step 6: Final answer
    x = 705,672.59

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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.