Home / 674,493.40-1,011,740.10-623,171.80

Finding the Fourth Proportional to 674,493.40, 1,011,740.10 and 623,171.80

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Solution

The fourth proportional to 674,493.40, 1,011,740.10 and 623,171.80 is: 934,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,493.40 : 1,011,740.10 = 623,171.80 : x
  2. Step 2: Convert to fraction form
    674,493.40/1,011,740.10 = 623,171.80/x
  3. Step 3: Cross multiply
    674,493.40x = 1,011,740.10 × 623,171.80
  4. Step 4: Simplify right side
    674,493.40x = 630,487,899,249.18
  5. Step 5: Solve for x
    x = 630,487,899,249.18/674,493.40
  6. Step 6: Final answer
    x = 934,757.70

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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.