Home / 1,103,400.36-1,522,650.08-619,985.88

Finding the Fourth Proportional to 1,103,400.36, 1,522,650.08 and 619,985.88

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Solution

The fourth proportional to 1,103,400.36, 1,522,650.08 and 619,985.88 is: 855,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,400.36 : 1,522,650.08 = 619,985.88 : x
  2. Step 2: Convert to fraction form
    1,103,400.36/1,522,650.08 = 619,985.88/x
  3. Step 3: Cross multiply
    1,103,400.36x = 1,522,650.08 × 619,985.88
  4. Step 4: Simplify right side
    1,103,400.36x = 944,021,549,780.87
  5. Step 5: Solve for x
    x = 944,021,549,780.87/1,103,400.36
  6. Step 6: Final answer
    x = 855,556.68

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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.