Home / 753,225-1,039,197.60-426,493.44

Finding the Fourth Proportional to 753,225, 1,039,197.60 and 426,493.44

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Solution

The fourth proportional to 753,225, 1,039,197.60 and 426,493.44 is: 588,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,225 : 1,039,197.60 = 426,493.44 : x
  2. Step 2: Convert to fraction form
    753,225/1,039,197.60 = 426,493.44/x
  3. Step 3: Cross multiply
    753,225x = 1,039,197.60 × 426,493.44
  4. Step 4: Simplify right side
    753,225x = 443,210,959,263.74
  5. Step 5: Solve for x
    x = 443,210,959,263.74/753,225
  6. Step 6: Final answer
    x = 588,417.75

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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.