Home / 1,000,661.54-1,380,923.78-541,785.67

Finding the Fourth Proportional to 1,000,661.54, 1,380,923.78 and 541,785.67

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Solution

The fourth proportional to 1,000,661.54, 1,380,923.78 and 541,785.67 is: 747,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,661.54 : 1,380,923.78 = 541,785.67 : x
  2. Step 2: Convert to fraction form
    1,000,661.54/1,380,923.78 = 541,785.67/x
  3. Step 3: Cross multiply
    1,000,661.54x = 1,380,923.78 × 541,785.67
  4. Step 4: Simplify right side
    1,000,661.54x = 748,164,709,205.00
  5. Step 5: Solve for x
    x = 748,164,709,205.00/1,000,661.54
  6. Step 6: Final answer
    x = 747,670.10

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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.