Home / 860,659.20-1,187,738.64-473,491.44

Finding the Fourth Proportional to 860,659.20, 1,187,738.64 and 473,491.44

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Solution

The fourth proportional to 860,659.20, 1,187,738.64 and 473,491.44 is: 653,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,659.20 : 1,187,738.64 = 473,491.44 : x
  2. Step 2: Convert to fraction form
    860,659.20/1,187,738.64 = 473,491.44/x
  3. Step 3: Cross multiply
    860,659.20x = 1,187,738.64 × 473,491.44
  4. Step 4: Simplify right side
    860,659.20x = 562,384,078,997.24
  5. Step 5: Solve for x
    x = 562,384,078,997.24/860,659.20
  6. Step 6: Final answer
    x = 653,434.11

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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.