Home / 865,813.20-1,194,818.73-483,839.88

Finding the Fourth Proportional to 865,813.20, 1,194,818.73 and 483,839.88

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Solution

The fourth proportional to 865,813.20, 1,194,818.73 and 483,839.88 is: 667,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,813.20 : 1,194,818.73 = 483,839.88 : x
  2. Step 2: Convert to fraction form
    865,813.20/1,194,818.73 = 483,839.88/x
  3. Step 3: Cross multiply
    865,813.20x = 1,194,818.73 × 483,839.88
  4. Step 4: Simplify right side
    865,813.20x = 578,100,950,944.95
  5. Step 5: Solve for x
    x = 578,100,950,944.95/865,813.20
  6. Step 6: Final answer
    x = 667,697.09

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1.5x scale

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.