Home / 447,466.50-617,503.86-243,518.22

Finding the Fourth Proportional to 447,466.50, 617,503.86 and 243,518.22

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Solution

The fourth proportional to 447,466.50, 617,503.86 and 243,518.22 is: 336,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,466.50 : 617,503.86 = 243,518.22 : x
  2. Step 2: Convert to fraction form
    447,466.50/617,503.86 = 243,518.22/x
  3. Step 3: Cross multiply
    447,466.50x = 617,503.86 × 243,518.22
  4. Step 4: Simplify right side
    447,466.50x = 150,373,440,830.33
  5. Step 5: Solve for x
    x = 150,373,440,830.33/447,466.50
  6. Step 6: Final answer
    x = 336,055.19

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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.