Home / 602,621.16-904,495.50-318,522.57

Finding the Fourth Proportional to 602,621.16, 904,495.50 and 318,522.57

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Solution

The fourth proportional to 602,621.16, 904,495.50 and 318,522.57 is: 478,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,621.16 : 904,495.50 = 318,522.57 : x
  2. Step 2: Convert to fraction form
    602,621.16/904,495.50 = 318,522.57/x
  3. Step 3: Cross multiply
    602,621.16x = 904,495.50 × 318,522.57
  4. Step 4: Simplify right side
    602,621.16x = 288,102,231,213.44
  5. Step 5: Solve for x
    x = 288,102,231,213.44/602,621.16
  6. Step 6: Final answer
    x = 478,081.84

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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.