Home / 404,741.03-607,056.15-120,475.45

Finding the Fourth Proportional to 404,741.03, 607,056.15 and 120,475.45

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Solution

The fourth proportional to 404,741.03, 607,056.15 and 120,475.45 is: 180,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,741.03 : 607,056.15 = 120,475.45 : x
  2. Step 2: Convert to fraction form
    404,741.03/607,056.15 = 120,475.45/x
  3. Step 3: Cross multiply
    404,741.03x = 607,056.15 × 120,475.45
  4. Step 4: Simplify right side
    404,741.03x = 73,135,363,040.61
  5. Step 5: Solve for x
    x = 73,135,363,040.61/404,741.03
  6. Step 6: Final answer
    x = 180,696.69

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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.