Home / 636,581.54-954,884.20-509,632.14

Finding the Fourth Proportional to 636,581.54, 954,884.20 and 509,632.14

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Solution

The fourth proportional to 636,581.54, 954,884.20 and 509,632.14 is: 764,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,581.54 : 954,884.20 = 509,632.14 : x
  2. Step 2: Convert to fraction form
    636,581.54/954,884.20 = 509,632.14/x
  3. Step 3: Cross multiply
    636,581.54x = 954,884.20 × 509,632.14
  4. Step 4: Simplify right side
    636,581.54x = 486,639,678,298.19
  5. Step 5: Solve for x
    x = 486,639,678,298.19/636,581.54
  6. Step 6: Final answer
    x = 764,457.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.