Home / 578,048.60-867,072.90-223,074.20

Finding the Fourth Proportional to 578,048.60, 867,072.90 and 223,074.20

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Solution

The fourth proportional to 578,048.60, 867,072.90 and 223,074.20 is: 334,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,048.60 : 867,072.90 = 223,074.20 : x
  2. Step 2: Convert to fraction form
    578,048.60/867,072.90 = 223,074.20/x
  3. Step 3: Cross multiply
    578,048.60x = 867,072.90 × 223,074.20
  4. Step 4: Simplify right side
    578,048.60x = 193,421,593,509.18
  5. Step 5: Solve for x
    x = 193,421,593,509.18/578,048.60
  6. Step 6: Final answer
    x = 334,611.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.