Home / 816,734.36-1,127,047.06-454,150.43

Finding the Fourth Proportional to 816,734.36, 1,127,047.06 and 454,150.43

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Solution

The fourth proportional to 816,734.36, 1,127,047.06 and 454,150.43 is: 626,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,734.36 : 1,127,047.06 = 454,150.43 : x
  2. Step 2: Convert to fraction form
    816,734.36/1,127,047.06 = 454,150.43/x
  3. Step 3: Cross multiply
    816,734.36x = 1,127,047.06 × 454,150.43
  4. Step 4: Simplify right side
    816,734.36x = 511,848,906,088.12
  5. Step 5: Solve for x
    x = 511,848,906,088.12/816,734.36
  6. Step 6: Final answer
    x = 626,701.82

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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.