Home / 683,270.40-1,024,291.20-446,726.40

Finding the Fourth Proportional to 683,270.40, 1,024,291.20 and 446,726.40

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Solution

The fourth proportional to 683,270.40, 1,024,291.20 and 446,726.40 is: 669,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,270.40 : 1,024,291.20 = 446,726.40 : x
  2. Step 2: Convert to fraction form
    683,270.40/1,024,291.20 = 446,726.40/x
  3. Step 3: Cross multiply
    683,270.40x = 1,024,291.20 × 446,726.40
  4. Step 4: Simplify right side
    683,270.40x = 457,577,920,327.68
  5. Step 5: Solve for x
    x = 457,577,920,327.68/683,270.40
  6. Step 6: Final answer
    x = 669,687.90

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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.