Home / 578,048.10-867,072.15-223,073.70

Finding the Fourth Proportional to 578,048.10, 867,072.15 and 223,073.70

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Solution

The fourth proportional to 578,048.10, 867,072.15 and 223,073.70 is: 334,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,048.10 : 867,072.15 = 223,073.70 : x
  2. Step 2: Convert to fraction form
    578,048.10/867,072.15 = 223,073.70/x
  3. Step 3: Cross multiply
    578,048.10x = 867,072.15 × 223,073.70
  4. Step 4: Simplify right side
    578,048.10x = 193,420,992,667.46
  5. Step 5: Solve for x
    x = 193,420,992,667.46/578,048.10
  6. Step 6: Final answer
    x = 334,610.55

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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.