Home / 1,191,522.87-1,644,313.24-647,658.32

Finding the Fourth Proportional to 1,191,522.87, 1,644,313.24 and 647,658.32

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Solution

The fourth proportional to 1,191,522.87, 1,644,313.24 and 647,658.32 is: 893,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,522.87 : 1,644,313.24 = 647,658.32 : x
  2. Step 2: Convert to fraction form
    1,191,522.87/1,644,313.24 = 647,658.32/x
  3. Step 3: Cross multiply
    1,191,522.87x = 1,644,313.24 × 647,658.32
  4. Step 4: Simplify right side
    1,191,522.87x = 1,064,953,150,572.16
  5. Step 5: Solve for x
    x = 1,064,953,150,572.16/1,191,522.87
  6. Step 6: Final answer
    x = 893,774.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.