Home / 406,562.09-609,787.78-107,017.59

Finding the Fourth Proportional to 406,562.09, 609,787.78 and 107,017.59

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Solution

The fourth proportional to 406,562.09, 609,787.78 and 107,017.59 is: 160,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,562.09 : 609,787.78 = 107,017.59 : x
  2. Step 2: Convert to fraction form
    406,562.09/609,787.78 = 107,017.59/x
  3. Step 3: Cross multiply
    406,562.09x = 609,787.78 × 107,017.59
  4. Step 4: Simplify right side
    406,562.09x = 65,258,018,627.05
  5. Step 5: Solve for x
    x = 65,258,018,627.05/406,562.09
  6. Step 6: Final answer
    x = 160,511.81

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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.