Home / 623,369.16-860,187.33-381,720.24

Finding the Fourth Proportional to 623,369.16, 860,187.33 and 381,720.24

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Solution

The fourth proportional to 623,369.16, 860,187.33 and 381,720.24 is: 526,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,369.16 : 860,187.33 = 381,720.24 : x
  2. Step 2: Convert to fraction form
    623,369.16/860,187.33 = 381,720.24/x
  3. Step 3: Cross multiply
    623,369.16x = 860,187.33 × 381,720.24
  4. Step 4: Simplify right side
    623,369.16x = 328,350,914,052.56
  5. Step 5: Solve for x
    x = 328,350,914,052.56/623,369.16
  6. Step 6: Final answer
    x = 526,735.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.