Home / 1,191,580.99-1,644,400.85-647,717.83

Finding the Fourth Proportional to 1,191,580.99, 1,644,400.85 and 647,717.83

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Solution

The fourth proportional to 1,191,580.99, 1,644,400.85 and 647,717.83 is: 893,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,580.99 : 1,644,400.85 = 647,717.83 : x
  2. Step 2: Convert to fraction form
    1,191,580.99/1,644,400.85 = 647,717.83/x
  3. Step 3: Cross multiply
    1,191,580.99x = 1,644,400.85 × 647,717.83
  4. Step 4: Simplify right side
    1,191,580.99x = 1,065,107,750,212.16
  5. Step 5: Solve for x
    x = 1,065,107,750,212.16/1,191,580.99
  6. Step 6: Final answer
    x = 893,860.98

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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.