Home / 1,040,403.40-1,559,438.70-441,262.60

Finding the Fourth Proportional to 1,040,403.40, 1,559,438.70 and 441,262.60

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Solution

The fourth proportional to 1,040,403.40, 1,559,438.70 and 441,262.60 is: 661,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,403.40 : 1,559,438.70 = 441,262.60 : x
  2. Step 2: Convert to fraction form
    1,040,403.40/1,559,438.70 = 441,262.60/x
  3. Step 3: Cross multiply
    1,040,403.40x = 1,559,438.70 × 441,262.60
  4. Step 4: Simplify right side
    1,040,403.40x = 688,121,975,302.62
  5. Step 5: Solve for x
    x = 688,121,975,302.62/1,040,403.40
  6. Step 6: Final answer
    x = 661,399.20

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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.