Home / 865,756.66-1,194,721.26-483,786.58

Finding the Fourth Proportional to 865,756.66, 1,194,721.26 and 483,786.58

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Solution

The fourth proportional to 865,756.66, 1,194,721.26 and 483,786.58 is: 667,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,756.66 : 1,194,721.26 = 483,786.58 : x
  2. Step 2: Convert to fraction form
    865,756.66/1,194,721.26 = 483,786.58/x
  3. Step 3: Cross multiply
    865,756.66x = 1,194,721.26 × 483,786.58
  4. Step 4: Simplify right side
    865,756.66x = 577,990,112,428.69
  5. Step 5: Solve for x
    x = 577,990,112,428.69/865,756.66
  6. Step 6: Final answer
    x = 667,612.67

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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.