Home / 1,461,808.80-2,191,935.60-619,408.80

Finding the Fourth Proportional to 1,461,808.80, 2,191,935.60 and 619,408.80

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Solution

The fourth proportional to 1,461,808.80, 2,191,935.60 and 619,408.80 is: 928,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,808.80 : 2,191,935.60 = 619,408.80 : x
  2. Step 2: Convert to fraction form
    1,461,808.80/2,191,935.60 = 619,408.80/x
  3. Step 3: Cross multiply
    1,461,808.80x = 2,191,935.60 × 619,408.80
  4. Step 4: Simplify right side
    1,461,808.80x = 1,357,704,199,673.28
  5. Step 5: Solve for x
    x = 1,357,704,199,673.28/1,461,808.80
  6. Step 6: Final answer
    x = 928,783.71

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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.