Home / 714,694.23-986,739.62-443,052.45

Finding the Fourth Proportional to 714,694.23, 986,739.62 and 443,052.45

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Solution

The fourth proportional to 714,694.23, 986,739.62 and 443,052.45 is: 611,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,694.23 : 986,739.62 = 443,052.45 : x
  2. Step 2: Convert to fraction form
    714,694.23/986,739.62 = 443,052.45/x
  3. Step 3: Cross multiply
    714,694.23x = 986,739.62 × 443,052.45
  4. Step 4: Simplify right side
    714,694.23x = 437,177,403,937.81
  5. Step 5: Solve for x
    x = 437,177,403,937.81/714,694.23
  6. Step 6: Final answer
    x = 611,698.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.