Home / 773,700.20-1,159,628.70-324,420.20

Finding the Fourth Proportional to 773,700.20, 1,159,628.70 and 324,420.20

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Solution

The fourth proportional to 773,700.20, 1,159,628.70 and 324,420.20 is: 486,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,700.20 : 1,159,628.70 = 324,420.20 : x
  2. Step 2: Convert to fraction form
    773,700.20/1,159,628.70 = 324,420.20/x
  3. Step 3: Cross multiply
    773,700.20x = 1,159,628.70 × 324,420.20
  4. Step 4: Simplify right side
    773,700.20x = 376,206,974,779.74
  5. Step 5: Solve for x
    x = 376,206,974,779.74/773,700.20
  6. Step 6: Final answer
    x = 486,243.86

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Half scale
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Double scale
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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.