Home / 665,279.10-997,918.65-244,500.30

Finding the Fourth Proportional to 665,279.10, 997,918.65 and 244,500.30

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Solution

The fourth proportional to 665,279.10, 997,918.65 and 244,500.30 is: 366,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,279.10 : 997,918.65 = 244,500.30 : x
  2. Step 2: Convert to fraction form
    665,279.10/997,918.65 = 244,500.30/x
  3. Step 3: Cross multiply
    665,279.10x = 997,918.65 × 244,500.30
  4. Step 4: Simplify right side
    665,279.10x = 243,991,409,300.60
  5. Step 5: Solve for x
    x = 243,991,409,300.60/665,279.10
  6. Step 6: Final answer
    x = 366,750.45

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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.