Home / 560,928.20-839,642.70-403,464.20

Finding the Fourth Proportional to 560,928.20, 839,642.70 and 403,464.20

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Solution

The fourth proportional to 560,928.20, 839,642.70 and 403,464.20 is: 603,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,928.20 : 839,642.70 = 403,464.20 : x
  2. Step 2: Convert to fraction form
    560,928.20/839,642.70 = 403,464.20/x
  3. Step 3: Cross multiply
    560,928.20x = 839,642.70 × 403,464.20
  4. Step 4: Simplify right side
    560,928.20x = 338,765,770,241.34
  5. Step 5: Solve for x
    x = 338,765,770,241.34/560,928.20
  6. Step 6: Final answer
    x = 603,937.85

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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.