Home / 1,182,172.51-1,773,507.83-383,391.77

Finding the Fourth Proportional to 1,182,172.51, 1,773,507.83 and 383,391.77

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Solution

The fourth proportional to 1,182,172.51, 1,773,507.83 and 383,391.77 is: 575,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,172.51 : 1,773,507.83 = 383,391.77 : x
  2. Step 2: Convert to fraction form
    1,182,172.51/1,773,507.83 = 383,391.77/x
  3. Step 3: Cross multiply
    1,182,172.51x = 1,773,507.83 × 383,391.77
  4. Step 4: Simplify right side
    1,182,172.51x = 679,948,306,052.56
  5. Step 5: Solve for x
    x = 679,948,306,052.56/1,182,172.51
  6. Step 6: Final answer
    x = 575,168.43

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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.