Home / 1,222,686.90-1,833,440.43-512,524.26

Finding the Fourth Proportional to 1,222,686.90, 1,833,440.43 and 512,524.26

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Solution

The fourth proportional to 1,222,686.90, 1,833,440.43 and 512,524.26 is: 768,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,686.90 : 1,833,440.43 = 512,524.26 : x
  2. Step 2: Convert to fraction form
    1,222,686.90/1,833,440.43 = 512,524.26/x
  3. Step 3: Cross multiply
    1,222,686.90x = 1,833,440.43 × 512,524.26
  4. Step 4: Simplify right side
    1,222,686.90x = 939,682,699,639.83
  5. Step 5: Solve for x
    x = 939,682,699,639.83/1,222,686.90
  6. Step 6: Final answer
    x = 768,539.11

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1.5x scale

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.