Home / 869,937.76-1,200,511.62-482,811.66

Finding the Fourth Proportional to 869,937.76, 1,200,511.62 and 482,811.66

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Solution

The fourth proportional to 869,937.76, 1,200,511.62 and 482,811.66 is: 666,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,937.76 : 1,200,511.62 = 482,811.66 : x
  2. Step 2: Convert to fraction form
    869,937.76/1,200,511.62 = 482,811.66/x
  3. Step 3: Cross multiply
    869,937.76x = 1,200,511.62 × 482,811.66
  4. Step 4: Simplify right side
    869,937.76x = 579,621,008,101.49
  5. Step 5: Solve for x
    x = 579,621,008,101.49/869,937.76
  6. Step 6: Final answer
    x = 666,278.71

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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.