Home / 886,520.30-1,329,780.45-603,085.10

Finding the Fourth Proportional to 886,520.30, 1,329,780.45 and 603,085.10

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Solution

The fourth proportional to 886,520.30, 1,329,780.45 and 603,085.10 is: 904,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,520.30 : 1,329,780.45 = 603,085.10 : x
  2. Step 2: Convert to fraction form
    886,520.30/1,329,780.45 = 603,085.10/x
  3. Step 3: Cross multiply
    886,520.30x = 1,329,780.45 × 603,085.10
  4. Step 4: Simplify right side
    886,520.30x = 801,970,775,666.30
  5. Step 5: Solve for x
    x = 801,970,775,666.30/886,520.30
  6. Step 6: Final answer
    x = 904,627.65

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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.