Home / 425,899.20-638,618.40-176,606.40

Finding the Fourth Proportional to 425,899.20, 638,618.40 and 176,606.40

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Solution

The fourth proportional to 425,899.20, 638,618.40 and 176,606.40 is: 264,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,899.20 : 638,618.40 = 176,606.40 : x
  2. Step 2: Convert to fraction form
    425,899.20/638,618.40 = 176,606.40/x
  3. Step 3: Cross multiply
    425,899.20x = 638,618.40 × 176,606.40
  4. Step 4: Simplify right side
    425,899.20x = 112,784,096,597.76
  5. Step 5: Solve for x
    x = 112,784,096,597.76/425,899.20
  6. Step 6: Final answer
    x = 264,814.06

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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.