Home / 647,616.55-970,550.02-433,776.55

Finding the Fourth Proportional to 647,616.55, 970,550.02 and 433,776.55

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Solution

The fourth proportional to 647,616.55, 970,550.02 and 433,776.55 is: 650,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,616.55 : 970,550.02 = 433,776.55 : x
  2. Step 2: Convert to fraction form
    647,616.55/970,550.02 = 433,776.55/x
  3. Step 3: Cross multiply
    647,616.55x = 970,550.02 × 433,776.55
  4. Step 4: Simplify right side
    647,616.55x = 421,001,839,278.03
  5. Step 5: Solve for x
    x = 421,001,839,278.03/647,616.55
  6. Step 6: Final answer
    x = 650,078.88

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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.