Home / 1,209,302.10-1,813,953.15-440,857.46

Finding the Fourth Proportional to 1,209,302.10, 1,813,953.15 and 440,857.46

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Solution

The fourth proportional to 1,209,302.10, 1,813,953.15 and 440,857.46 is: 661,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,302.10 : 1,813,953.15 = 440,857.46 : x
  2. Step 2: Convert to fraction form
    1,209,302.10/1,813,953.15 = 440,857.46/x
  3. Step 3: Cross multiply
    1,209,302.10x = 1,813,953.15 × 440,857.46
  4. Step 4: Simplify right side
    1,209,302.10x = 799,694,782,802.88
  5. Step 5: Solve for x
    x = 799,694,782,802.88/1,209,302.10
  6. Step 6: Final answer
    x = 661,286.19

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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.