Home / 816,719.01-1,127,098.43-454,158.15

Finding the Fourth Proportional to 816,719.01, 1,127,098.43 and 454,158.15

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Solution

The fourth proportional to 816,719.01, 1,127,098.43 and 454,158.15 is: 626,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,719.01 : 1,127,098.43 = 454,158.15 : x
  2. Step 2: Convert to fraction form
    816,719.01/1,127,098.43 = 454,158.15/x
  3. Step 3: Cross multiply
    816,719.01x = 1,127,098.43 × 454,158.15
  4. Step 4: Simplify right side
    816,719.01x = 511,880,937,836.70
  5. Step 5: Solve for x
    x = 511,880,937,836.70/816,719.01
  6. Step 6: Final answer
    x = 626,752.81

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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.