Home / 1,205,410.55-1,808,115.82-572,405.27

Finding the Fourth Proportional to 1,205,410.55, 1,808,115.82 and 572,405.27

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Solution

The fourth proportional to 1,205,410.55, 1,808,115.82 and 572,405.27 is: 858,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,410.55 : 1,808,115.82 = 572,405.27 : x
  2. Step 2: Convert to fraction form
    1,205,410.55/1,808,115.82 = 572,405.27/x
  3. Step 3: Cross multiply
    1,205,410.55x = 1,808,115.82 × 572,405.27
  4. Step 4: Simplify right side
    1,205,410.55x = 1,034,975,013,666.78
  5. Step 5: Solve for x
    x = 1,034,975,013,666.78/1,205,410.55
  6. Step 6: Final answer
    x = 858,607.90

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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.