Home / 1,808,676.34-2,712,986.87-611,439.64

Finding the Fourth Proportional to 1,808,676.34, 2,712,986.87 and 611,439.64

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Solution

The fourth proportional to 1,808,676.34, 2,712,986.87 and 611,439.64 is: 917,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,676.34 : 2,712,986.87 = 611,439.64 : x
  2. Step 2: Convert to fraction form
    1,808,676.34/2,712,986.87 = 611,439.64/x
  3. Step 3: Cross multiply
    1,808,676.34x = 2,712,986.87 × 611,439.64
  4. Step 4: Simplify right side
    1,808,676.34x = 1,658,827,705,277.86
  5. Step 5: Solve for x
    x = 1,658,827,705,277.86/1,808,676.34
  6. Step 6: Final answer
    x = 917,150.11

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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.