Home / 424,401.12-585,677.52-230,810.64

Finding the Fourth Proportional to 424,401.12, 585,677.52 and 230,810.64

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Solution

The fourth proportional to 424,401.12, 585,677.52 and 230,810.64 is: 318,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,401.12 : 585,677.52 = 230,810.64 : x
  2. Step 2: Convert to fraction form
    424,401.12/585,677.52 = 230,810.64/x
  3. Step 3: Cross multiply
    424,401.12x = 585,677.52 × 230,810.64
  4. Step 4: Simplify right side
    424,401.12x = 135,180,603,224.81
  5. Step 5: Solve for x
    x = 135,180,603,224.81/424,401.12
  6. Step 6: Final answer
    x = 318,520.84

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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.