Home / 865,819.56-1,194,810.30-483,920.17

Finding the Fourth Proportional to 865,819.56, 1,194,810.30 and 483,920.17

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Solution

The fourth proportional to 865,819.56, 1,194,810.30 and 483,920.17 is: 667,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,819.56 : 1,194,810.30 = 483,920.17 : x
  2. Step 2: Convert to fraction form
    865,819.56/1,194,810.30 = 483,920.17/x
  3. Step 3: Cross multiply
    865,819.56x = 1,194,810.30 × 483,920.17
  4. Step 4: Simplify right side
    865,819.56x = 578,192,803,493.75
  5. Step 5: Solve for x
    x = 578,192,803,493.75/865,819.56
  6. Step 6: Final answer
    x = 667,798.27

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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.