Home / 695,459.39-1,041,835.55-512,757.41

Finding the Fourth Proportional to 695,459.39, 1,041,835.55 and 512,757.41

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Solution

The fourth proportional to 695,459.39, 1,041,835.55 and 512,757.41 is: 768,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,459.39 : 1,041,835.55 = 512,757.41 : x
  2. Step 2: Convert to fraction form
    695,459.39/1,041,835.55 = 512,757.41/x
  3. Step 3: Cross multiply
    695,459.39x = 1,041,835.55 × 512,757.41
  4. Step 4: Simplify right side
    695,459.39x = 534,208,890,490.96
  5. Step 5: Solve for x
    x = 534,208,890,490.96/695,459.39
  6. Step 6: Final answer
    x = 768,138.16

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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.