Home / 816,719.63-1,127,099.29-454,158.77

Finding the Fourth Proportional to 816,719.63, 1,127,099.29 and 454,158.77

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Solution

The fourth proportional to 816,719.63, 1,127,099.29 and 454,158.77 is: 626,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,719.63 : 1,127,099.29 = 454,158.77 : x
  2. Step 2: Convert to fraction form
    816,719.63/1,127,099.29 = 454,158.77/x
  3. Step 3: Cross multiply
    816,719.63x = 1,127,099.29 × 454,158.77
  4. Step 4: Simplify right side
    816,719.63x = 511,882,027,214.27
  5. Step 5: Solve for x
    x = 511,882,027,214.27/816,719.63
  6. Step 6: Final answer
    x = 626,753.67

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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.