Home / 645,570.03-890,874.55-441,614.05

Finding the Fourth Proportional to 645,570.03, 890,874.55 and 441,614.05

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Solution

The fourth proportional to 645,570.03, 890,874.55 and 441,614.05 is: 609,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,570.03 : 890,874.55 = 441,614.05 : x
  2. Step 2: Convert to fraction form
    645,570.03/890,874.55 = 441,614.05/x
  3. Step 3: Cross multiply
    645,570.03x = 890,874.55 × 441,614.05
  4. Step 4: Simplify right side
    645,570.03x = 393,422,716,963.39
  5. Step 5: Solve for x
    x = 393,422,716,963.39/645,570.03
  6. Step 6: Final answer
    x = 609,419.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.