Home / 742,807.80-1,114,211.70-244,171.80

Finding the Fourth Proportional to 742,807.80, 1,114,211.70 and 244,171.80

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Solution

The fourth proportional to 742,807.80, 1,114,211.70 and 244,171.80 is: 366,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,807.80 : 1,114,211.70 = 244,171.80 : x
  2. Step 2: Convert to fraction form
    742,807.80/1,114,211.70 = 244,171.80/x
  3. Step 3: Cross multiply
    742,807.80x = 1,114,211.70 × 244,171.80
  4. Step 4: Simplify right side
    742,807.80x = 272,059,076,370.06
  5. Step 5: Solve for x
    x = 272,059,076,370.06/742,807.80
  6. Step 6: Final answer
    x = 366,257.70

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Half scale
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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.