Home / 1,037,112.60-1,555,668.90-327,212.40

Finding the Fourth Proportional to 1,037,112.60, 1,555,668.90 and 327,212.40

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Solution

The fourth proportional to 1,037,112.60, 1,555,668.90 and 327,212.40 is: 490,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,112.60 : 1,555,668.90 = 327,212.40 : x
  2. Step 2: Convert to fraction form
    1,037,112.60/1,555,668.90 = 327,212.40/x
  3. Step 3: Cross multiply
    1,037,112.60x = 1,555,668.90 × 327,212.40
  4. Step 4: Simplify right side
    1,037,112.60x = 509,034,154,374.36
  5. Step 5: Solve for x
    x = 509,034,154,374.36/1,037,112.60
  6. Step 6: Final answer
    x = 490,818.60

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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.