Home / 459,984.20-688,664.10-407,496.20

Finding the Fourth Proportional to 459,984.20, 688,664.10 and 407,496.20

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Solution

The fourth proportional to 459,984.20, 688,664.10 and 407,496.20 is: 610,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,984.20 : 688,664.10 = 407,496.20 : x
  2. Step 2: Convert to fraction form
    459,984.20/688,664.10 = 407,496.20/x
  3. Step 3: Cross multiply
    459,984.20x = 688,664.10 × 407,496.20
  4. Step 4: Simplify right side
    459,984.20x = 280,628,003,826.42
  5. Step 5: Solve for x
    x = 280,628,003,826.42/459,984.20
  6. Step 6: Final answer
    x = 610,081.83

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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.