Home / 1,218,389.49-1,829,261.34-619,755.75

Finding the Fourth Proportional to 1,218,389.49, 1,829,261.34 and 619,755.75

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Solution

The fourth proportional to 1,218,389.49, 1,829,261.34 and 619,755.75 is: 930,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,389.49 : 1,829,261.34 = 619,755.75 : x
  2. Step 2: Convert to fraction form
    1,218,389.49/1,829,261.34 = 619,755.75/x
  3. Step 3: Cross multiply
    1,218,389.49x = 1,829,261.34 × 619,755.75
  4. Step 4: Simplify right side
    1,218,389.49x = 1,133,695,233,717.71
  5. Step 5: Solve for x
    x = 1,133,695,233,717.71/1,218,389.49
  6. Step 6: Final answer
    x = 930,486.71

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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.