Home / 1,799,140.69-2,698,313.09-519,470.46

Finding the Fourth Proportional to 1,799,140.69, 2,698,313.09 and 519,470.46

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Solution

The fourth proportional to 1,799,140.69, 2,698,313.09 and 519,470.46 is: 779,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,140.69 : 2,698,313.09 = 519,470.46 : x
  2. Step 2: Convert to fraction form
    1,799,140.69/2,698,313.09 = 519,470.46/x
  3. Step 3: Cross multiply
    1,799,140.69x = 2,698,313.09 × 519,470.46
  4. Step 4: Simplify right side
    1,799,140.69x = 1,401,693,939,488.97
  5. Step 5: Solve for x
    x = 1,401,693,939,488.97/1,799,140.69
  6. Step 6: Final answer
    x = 779,090.79

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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.