Home / 816,744.15-1,127,132.69-454,183.29

Finding the Fourth Proportional to 816,744.15, 1,127,132.69 and 454,183.29

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Solution

The fourth proportional to 816,744.15, 1,127,132.69 and 454,183.29 is: 626,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,744.15 : 1,127,132.69 = 454,183.29 : x
  2. Step 2: Convert to fraction form
    816,744.15/1,127,132.69 = 454,183.29/x
  3. Step 3: Cross multiply
    816,744.15x = 1,127,132.69 × 454,183.29
  4. Step 4: Simplify right side
    816,744.15x = 511,924,831,139.83
  5. Step 5: Solve for x
    x = 511,924,831,139.83/816,744.15
  6. Step 6: Final answer
    x = 626,787.26

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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.