Home / 1,039,337.40-1,557,839.70-440,196.60

Finding the Fourth Proportional to 1,039,337.40, 1,557,839.70 and 440,196.60

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Solution

The fourth proportional to 1,039,337.40, 1,557,839.70 and 440,196.60 is: 659,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,337.40 : 1,557,839.70 = 440,196.60 : x
  2. Step 2: Convert to fraction form
    1,039,337.40/1,557,839.70 = 440,196.60/x
  3. Step 3: Cross multiply
    1,039,337.40x = 1,557,839.70 × 440,196.60
  4. Step 4: Simplify right side
    1,039,337.40x = 685,755,739,285.02
  5. Step 5: Solve for x
    x = 685,755,739,285.02/1,039,337.40
  6. Step 6: Final answer
    x = 659,800.89

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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.