Home / 711,246.21-1,065,778.54-483,251.46

Finding the Fourth Proportional to 711,246.21, 1,065,778.54 and 483,251.46

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Solution

The fourth proportional to 711,246.21, 1,065,778.54 and 483,251.46 is: 724,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,246.21 : 1,065,778.54 = 483,251.46 : x
  2. Step 2: Convert to fraction form
    711,246.21/1,065,778.54 = 483,251.46/x
  3. Step 3: Cross multiply
    711,246.21x = 1,065,778.54 × 483,251.46
  4. Step 4: Simplify right side
    711,246.21x = 515,039,035,491.67
  5. Step 5: Solve for x
    x = 515,039,035,491.67/711,246.21
  6. Step 6: Final answer
    x = 724,136.07

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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.