Home / 424,590.12-636,885.18-109,047.33

Finding the Fourth Proportional to 424,590.12, 636,885.18 and 109,047.33

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Solution

The fourth proportional to 424,590.12, 636,885.18 and 109,047.33 is: 163,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,590.12 : 636,885.18 = 109,047.33 : x
  2. Step 2: Convert to fraction form
    424,590.12/636,885.18 = 109,047.33/x
  3. Step 3: Cross multiply
    424,590.12x = 636,885.18 × 109,047.33
  4. Step 4: Simplify right side
    424,590.12x = 69,450,628,395.57
  5. Step 5: Solve for x
    x = 69,450,628,395.57/424,590.12
  6. Step 6: Final answer
    x = 163,571.00

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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.