Home / 804,590.30-1,206,885.45-524,654.30

Finding the Fourth Proportional to 804,590.30, 1,206,885.45 and 524,654.30

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Solution

The fourth proportional to 804,590.30, 1,206,885.45 and 524,654.30 is: 786,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,590.30 : 1,206,885.45 = 524,654.30 : x
  2. Step 2: Convert to fraction form
    804,590.30/1,206,885.45 = 524,654.30/x
  3. Step 3: Cross multiply
    804,590.30x = 1,206,885.45 × 524,654.30
  4. Step 4: Simplify right side
    804,590.30x = 633,197,640,949.94
  5. Step 5: Solve for x
    x = 633,197,640,949.94/804,590.30
  6. Step 6: Final answer
    x = 786,981.45

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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.