Home / 1,235,165.10-1,853,438.85-525,072.30

Finding the Fourth Proportional to 1,235,165.10, 1,853,438.85 and 525,072.30

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Solution

The fourth proportional to 1,235,165.10, 1,853,438.85 and 525,072.30 is: 787,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,165.10 : 1,853,438.85 = 525,072.30 : x
  2. Step 2: Convert to fraction form
    1,235,165.10/1,853,438.85 = 525,072.30/x
  3. Step 3: Cross multiply
    1,235,165.10x = 1,853,438.85 × 525,072.30
  4. Step 4: Simplify right side
    1,235,165.10x = 973,189,399,878.86
  5. Step 5: Solve for x
    x = 973,189,399,878.86/1,235,165.10
  6. Step 6: Final answer
    x = 787,902.28

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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.