Home / 673,793.40-1,010,690.10-647,221.35

Finding the Fourth Proportional to 673,793.40, 1,010,690.10 and 647,221.35

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Solution

The fourth proportional to 673,793.40, 1,010,690.10 and 647,221.35 is: 970,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,793.40 : 1,010,690.10 = 647,221.35 : x
  2. Step 2: Convert to fraction form
    673,793.40/1,010,690.10 = 647,221.35/x
  3. Step 3: Cross multiply
    673,793.40x = 1,010,690.10 × 647,221.35
  4. Step 4: Simplify right side
    673,793.40x = 654,140,210,953.64
  5. Step 5: Solve for x
    x = 654,140,210,953.64/673,793.40
  6. Step 6: Final answer
    x = 970,832.03

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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.