Home / 816,735.68-1,127,096.16-454,151.75

Finding the Fourth Proportional to 816,735.68, 1,127,096.16 and 454,151.75

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Solution

The fourth proportional to 816,735.68, 1,127,096.16 and 454,151.75 is: 626,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,735.68 : 1,127,096.16 = 454,151.75 : x
  2. Step 2: Convert to fraction form
    816,735.68/1,127,096.16 = 454,151.75/x
  3. Step 3: Cross multiply
    816,735.68x = 1,127,096.16 × 454,151.75
  4. Step 4: Simplify right side
    816,735.68x = 511,872,693,482.28
  5. Step 5: Solve for x
    x = 511,872,693,482.28/816,735.68
  6. Step 6: Final answer
    x = 626,729.93

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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.