Home / 780,022.80-1,167,701.40-464,317.20

Finding the Fourth Proportional to 780,022.80, 1,167,701.40 and 464,317.20

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Solution

The fourth proportional to 780,022.80, 1,167,701.40 and 464,317.20 is: 695,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,022.80 : 1,167,701.40 = 464,317.20 : x
  2. Step 2: Convert to fraction form
    780,022.80/1,167,701.40 = 464,317.20/x
  3. Step 3: Cross multiply
    780,022.80x = 1,167,701.40 × 464,317.20
  4. Step 4: Simplify right side
    780,022.80x = 542,183,844,484.08
  5. Step 5: Solve for x
    x = 542,183,844,484.08/780,022.80
  6. Step 6: Final answer
    x = 695,087.17

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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.