Home / 705,997.11-974,282.40-383,707.98

Finding the Fourth Proportional to 705,997.11, 974,282.40 and 383,707.98

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Solution

The fourth proportional to 705,997.11, 974,282.40 and 383,707.98 is: 529,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,997.11 : 974,282.40 = 383,707.98 : x
  2. Step 2: Convert to fraction form
    705,997.11/974,282.40 = 383,707.98/x
  3. Step 3: Cross multiply
    705,997.11x = 974,282.40 × 383,707.98
  4. Step 4: Simplify right side
    705,997.11x = 373,839,931,653.55
  5. Step 5: Solve for x
    x = 373,839,931,653.55/705,997.11
  6. Step 6: Final answer
    x = 529,520.48

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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.