Home / 711,303.11-1,065,863.92-483,308.36

Finding the Fourth Proportional to 711,303.11, 1,065,863.92 and 483,308.36

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Solution

The fourth proportional to 711,303.11, 1,065,863.92 and 483,308.36 is: 724,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,303.11 : 1,065,863.92 = 483,308.36 : x
  2. Step 2: Convert to fraction form
    711,303.11/1,065,863.92 = 483,308.36/x
  3. Step 3: Cross multiply
    711,303.11x = 1,065,863.92 × 483,308.36
  4. Step 4: Simplify right side
    711,303.11x = 515,140,943,158.37
  5. Step 5: Solve for x
    x = 515,140,943,158.37/711,303.11
  6. Step 6: Final answer
    x = 724,221.41

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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.