Home / 1,218,388.74-1,829,260.22-619,755

Finding the Fourth Proportional to 1,218,388.74, 1,829,260.22 and 619,755

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Solution

The fourth proportional to 1,218,388.74, 1,829,260.22 and 619,755 is: 930,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,388.74 : 1,829,260.22 = 619,755 : x
  2. Step 2: Convert to fraction form
    1,218,388.74/1,829,260.22 = 619,755/x
  3. Step 3: Cross multiply
    1,218,388.74x = 1,829,260.22 × 619,755
  4. Step 4: Simplify right side
    1,218,388.74x = 1,133,693,164,547.33
  5. Step 5: Solve for x
    x = 1,133,693,164,547.33/1,218,388.74
  6. Step 6: Final answer
    x = 930,485.59

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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.