Home / 1,241,530.56-1,861,547.40-809,568.90

Finding the Fourth Proportional to 1,241,530.56, 1,861,547.40 and 809,568.90

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Solution

The fourth proportional to 1,241,530.56, 1,861,547.40 and 809,568.90 is: 1,213,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,530.56 : 1,861,547.40 = 809,568.90 : x
  2. Step 2: Convert to fraction form
    1,241,530.56/1,861,547.40 = 809,568.90/x
  3. Step 3: Cross multiply
    1,241,530.56x = 1,861,547.40 × 809,568.90
  4. Step 4: Simplify right side
    1,241,530.56x = 1,507,050,880,915.86
  5. Step 5: Solve for x
    x = 1,507,050,880,915.86/1,241,530.56
  6. Step 6: Final answer
    x = 1,213,865.31

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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.