Home / 816,708.83-1,127,054.25-454,111.11

Finding the Fourth Proportional to 816,708.83, 1,127,054.25 and 454,111.11

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Solution

The fourth proportional to 816,708.83, 1,127,054.25 and 454,111.11 is: 626,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,708.83 : 1,127,054.25 = 454,111.11 : x
  2. Step 2: Convert to fraction form
    816,708.83/1,127,054.25 = 454,111.11/x
  3. Step 3: Cross multiply
    816,708.83x = 1,127,054.25 × 454,111.11
  4. Step 4: Simplify right side
    816,708.83x = 511,807,856,497.72
  5. Step 5: Solve for x
    x = 511,807,856,497.72/816,708.83
  6. Step 6: Final answer
    x = 626,671.15

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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.