Home / 831,171.68-1,146,485.04-576,429.92

Finding the Fourth Proportional to 831,171.68, 1,146,485.04 and 576,429.92

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Solution

The fourth proportional to 831,171.68, 1,146,485.04 and 576,429.92 is: 795,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,171.68 : 1,146,485.04 = 576,429.92 : x
  2. Step 2: Convert to fraction form
    831,171.68/1,146,485.04 = 576,429.92/x
  3. Step 3: Cross multiply
    831,171.68x = 1,146,485.04 × 576,429.92
  4. Step 4: Simplify right side
    831,171.68x = 660,868,279,888.40
  5. Step 5: Solve for x
    x = 660,868,279,888.40/831,171.68
  6. Step 6: Final answer
    x = 795,104.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.