Home / 806,664.68-1,210,745.15-407,585.71

Finding the Fourth Proportional to 806,664.68, 1,210,745.15 and 407,585.71

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Solution

The fourth proportional to 806,664.68, 1,210,745.15 and 407,585.71 is: 611,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,664.68 : 1,210,745.15 = 407,585.71 : x
  2. Step 2: Convert to fraction form
    806,664.68/1,210,745.15 = 407,585.71/x
  3. Step 3: Cross multiply
    806,664.68x = 1,210,745.15 × 407,585.71
  4. Step 4: Simplify right side
    806,664.68x = 493,482,421,591.81
  5. Step 5: Solve for x
    x = 493,482,421,591.81/806,664.68
  6. Step 6: Final answer
    x = 611,756.57

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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.