Home / 459,045.60-688,568.40-449,204.10

Finding the Fourth Proportional to 459,045.60, 688,568.40 and 449,204.10

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Solution

The fourth proportional to 459,045.60, 688,568.40 and 449,204.10 is: 673,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,045.60 : 688,568.40 = 449,204.10 : x
  2. Step 2: Convert to fraction form
    459,045.60/688,568.40 = 449,204.10/x
  3. Step 3: Cross multiply
    459,045.60x = 688,568.40 × 449,204.10
  4. Step 4: Simplify right side
    459,045.60x = 309,307,748,410.44
  5. Step 5: Solve for x
    x = 309,307,748,410.44/459,045.60
  6. Step 6: Final answer
    x = 673,806.15

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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.