Home / 816,761.07-1,127,076.93-454,171.46

Finding the Fourth Proportional to 816,761.07, 1,127,076.93 and 454,171.46

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Solution

The fourth proportional to 816,761.07, 1,127,076.93 and 454,171.46 is: 626,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,761.07 : 1,127,076.93 = 454,171.46 : x
  2. Step 2: Convert to fraction form
    816,761.07/1,127,076.93 = 454,171.46/x
  3. Step 3: Cross multiply
    816,761.07x = 1,127,076.93 × 454,171.46
  4. Step 4: Simplify right side
    816,761.07x = 511,886,169,195.03
  5. Step 5: Solve for x
    x = 511,886,169,195.03/816,761.07
  6. Step 6: Final answer
    x = 626,726.94

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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.