Home / 1,112,339.16-1,668,508.71-513,123.03

Finding the Fourth Proportional to 1,112,339.16, 1,668,508.71 and 513,123.03

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Solution

The fourth proportional to 1,112,339.16, 1,668,508.71 and 513,123.03 is: 769,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,339.16 : 1,668,508.71 = 513,123.03 : x
  2. Step 2: Convert to fraction form
    1,112,339.16/1,668,508.71 = 513,123.03/x
  3. Step 3: Cross multiply
    1,112,339.16x = 1,668,508.71 × 513,123.03
  4. Step 4: Simplify right side
    1,112,339.16x = 856,150,236,514.05
  5. Step 5: Solve for x
    x = 856,150,236,514.05/1,112,339.16
  6. Step 6: Final answer
    x = 769,684.53

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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.