Home / 1,000,649.81-1,380,880.26-541,760.72

Finding the Fourth Proportional to 1,000,649.81, 1,380,880.26 and 541,760.72

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Solution

The fourth proportional to 1,000,649.81, 1,380,880.26 and 541,760.72 is: 747,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,649.81 : 1,380,880.26 = 541,760.72 : x
  2. Step 2: Convert to fraction form
    1,000,649.81/1,380,880.26 = 541,760.72/x
  3. Step 3: Cross multiply
    1,000,649.81x = 1,380,880.26 × 541,760.72
  4. Step 4: Simplify right side
    1,000,649.81x = 748,106,678,898.94
  5. Step 5: Solve for x
    x = 748,106,678,898.94/1,000,649.81
  6. Step 6: Final answer
    x = 747,620.86

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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.