Home / 1,605,986.40-2,408,979.60-540,674.40

Finding the Fourth Proportional to 1,605,986.40, 2,408,979.60 and 540,674.40

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Solution

The fourth proportional to 1,605,986.40, 2,408,979.60 and 540,674.40 is: 811,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,986.40 : 2,408,979.60 = 540,674.40 : x
  2. Step 2: Convert to fraction form
    1,605,986.40/2,408,979.60 = 540,674.40/x
  3. Step 3: Cross multiply
    1,605,986.40x = 2,408,979.60 × 540,674.40
  4. Step 4: Simplify right side
    1,605,986.40x = 1,302,473,599,842.24
  5. Step 5: Solve for x
    x = 1,302,473,599,842.24/1,605,986.40
  6. Step 6: Final answer
    x = 811,011.60

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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.