Home / 447,495.36-617,554.98-243,557.34

Finding the Fourth Proportional to 447,495.36, 617,554.98 and 243,557.34

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Solution

The fourth proportional to 447,495.36, 617,554.98 and 243,557.34 is: 336,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,495.36 : 617,554.98 = 243,557.34 : x
  2. Step 2: Convert to fraction form
    447,495.36/617,554.98 = 243,557.34/x
  3. Step 3: Cross multiply
    447,495.36x = 617,554.98 × 243,557.34
  4. Step 4: Simplify right side
    447,495.36x = 150,410,048,232.55
  5. Step 5: Solve for x
    x = 150,410,048,232.55/447,495.36
  6. Step 6: Final answer
    x = 336,115.32

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Double scale
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Similar ratio
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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.