Home / 972,016.20-1,457,368.20-516,682.80

Finding the Fourth Proportional to 972,016.20, 1,457,368.20 and 516,682.80

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Solution

The fourth proportional to 972,016.20, 1,457,368.20 and 516,682.80 is: 774,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,016.20 : 1,457,368.20 = 516,682.80 : x
  2. Step 2: Convert to fraction form
    972,016.20/1,457,368.20 = 516,682.80/x
  3. Step 3: Cross multiply
    972,016.20x = 1,457,368.20 × 516,682.80
  4. Step 4: Simplify right side
    972,016.20x = 752,997,082,206.96
  5. Step 5: Solve for x
    x = 752,997,082,206.96/972,016.20
  6. Step 6: Final answer
    x = 774,675.44

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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.