Home / 711,304.11-1,065,865.42-483,309.36

Finding the Fourth Proportional to 711,304.11, 1,065,865.42 and 483,309.36

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Solution

The fourth proportional to 711,304.11, 1,065,865.42 and 483,309.36 is: 724,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,304.11 : 1,065,865.42 = 483,309.36 : x
  2. Step 2: Convert to fraction form
    711,304.11/1,065,865.42 = 483,309.36/x
  3. Step 3: Cross multiply
    711,304.11x = 1,065,865.42 × 483,309.36
  4. Step 4: Simplify right side
    711,304.11x = 515,142,733,986.33
  5. Step 5: Solve for x
    x = 515,142,733,986.33/711,304.11
  6. Step 6: Final answer
    x = 724,222.91

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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.