Home / 1,021,149.98-1,409,212.24-556,029.35

Finding the Fourth Proportional to 1,021,149.98, 1,409,212.24 and 556,029.35

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Solution

The fourth proportional to 1,021,149.98, 1,409,212.24 and 556,029.35 is: 767,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,149.98 : 1,409,212.24 = 556,029.35 : x
  2. Step 2: Convert to fraction form
    1,021,149.98/1,409,212.24 = 556,029.35/x
  3. Step 3: Cross multiply
    1,021,149.98x = 1,409,212.24 × 556,029.35
  4. Step 4: Simplify right side
    1,021,149.98x = 783,563,365,309.93
  5. Step 5: Solve for x
    x = 783,563,365,309.93/1,021,149.98
  6. Step 6: Final answer
    x = 767,334.26

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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.