Home / 1,123,856.90-1,685,785.35-365,769.80

Finding the Fourth Proportional to 1,123,856.90, 1,685,785.35 and 365,769.80

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Solution

The fourth proportional to 1,123,856.90, 1,685,785.35 and 365,769.80 is: 548,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,856.90 : 1,685,785.35 = 365,769.80 : x
  2. Step 2: Convert to fraction form
    1,123,856.90/1,685,785.35 = 365,769.80/x
  3. Step 3: Cross multiply
    1,123,856.90x = 1,685,785.35 × 365,769.80
  4. Step 4: Simplify right side
    1,123,856.90x = 616,609,370,312.43
  5. Step 5: Solve for x
    x = 616,609,370,312.43/1,123,856.90
  6. Step 6: Final answer
    x = 548,654.70

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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.