Home / 374,348.20-561,522.30-355,916.20

Finding the Fourth Proportional to 374,348.20, 561,522.30 and 355,916.20

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Solution

The fourth proportional to 374,348.20, 561,522.30 and 355,916.20 is: 533,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,348.20 : 561,522.30 = 355,916.20 : x
  2. Step 2: Convert to fraction form
    374,348.20/561,522.30 = 355,916.20/x
  3. Step 3: Cross multiply
    374,348.20x = 561,522.30 × 355,916.20
  4. Step 4: Simplify right side
    374,348.20x = 199,854,883,231.26
  5. Step 5: Solve for x
    x = 199,854,883,231.26/374,348.20
  6. Step 6: Final answer
    x = 533,874.30

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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.