Home / 864,590.40-1,295,233.20-465,098.40

Finding the Fourth Proportional to 864,590.40, 1,295,233.20 and 465,098.40

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Solution

The fourth proportional to 864,590.40, 1,295,233.20 and 465,098.40 is: 696,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,590.40 : 1,295,233.20 = 465,098.40 : x
  2. Step 2: Convert to fraction form
    864,590.40/1,295,233.20 = 465,098.40/x
  3. Step 3: Cross multiply
    864,590.40x = 1,295,233.20 × 465,098.40
  4. Step 4: Simplify right side
    864,590.40x = 602,410,888,946.88
  5. Step 5: Solve for x
    x = 602,410,888,946.88/864,590.40
  6. Step 6: Final answer
    x = 696,758.71

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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.