Home / 1,238,271.16-1,857,591.29-439,485.81

Finding the Fourth Proportional to 1,238,271.16, 1,857,591.29 and 439,485.81

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Solution

The fourth proportional to 1,238,271.16, 1,857,591.29 and 439,485.81 is: 659,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,271.16 : 1,857,591.29 = 439,485.81 : x
  2. Step 2: Convert to fraction form
    1,238,271.16/1,857,591.29 = 439,485.81/x
  3. Step 3: Cross multiply
    1,238,271.16x = 1,857,591.29 × 439,485.81
  4. Step 4: Simplify right side
    1,238,271.16x = 816,385,012,734.60
  5. Step 5: Solve for x
    x = 816,385,012,734.60/1,238,271.16
  6. Step 6: Final answer
    x = 659,294.22

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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.