Home / 816,639.41-1,126,939.15-454,056.68

Finding the Fourth Proportional to 816,639.41, 1,126,939.15 and 454,056.68

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Solution

The fourth proportional to 816,639.41, 1,126,939.15 and 454,056.68 is: 626,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,639.41 : 1,126,939.15 = 454,056.68 : x
  2. Step 2: Convert to fraction form
    816,639.41/1,126,939.15 = 454,056.68/x
  3. Step 3: Cross multiply
    816,639.41x = 1,126,939.15 × 454,056.68
  4. Step 4: Simplify right side
    816,639.41x = 511,694,250,693.23
  5. Step 5: Solve for x
    x = 511,694,250,693.23/816,639.41
  6. Step 6: Final answer
    x = 626,585.30

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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.