Home / 836,390.56-1,254,717.12-499,811.36

Finding the Fourth Proportional to 836,390.56, 1,254,717.12 and 499,811.36

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Solution

The fourth proportional to 836,390.56, 1,254,717.12 and 499,811.36 is: 749,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,390.56 : 1,254,717.12 = 499,811.36 : x
  2. Step 2: Convert to fraction form
    836,390.56/1,254,717.12 = 499,811.36/x
  3. Step 3: Cross multiply
    836,390.56x = 1,254,717.12 × 499,811.36
  4. Step 4: Simplify right side
    836,390.56x = 627,121,870,162.48
  5. Step 5: Solve for x
    x = 627,121,870,162.48/836,390.56
  6. Step 6: Final answer
    x = 749,795.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.