Home / 1,208,892.83-1,668,237.36-657,591.17

Finding the Fourth Proportional to 1,208,892.83, 1,668,237.36 and 657,591.17

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Solution

The fourth proportional to 1,208,892.83, 1,668,237.36 and 657,591.17 is: 907,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,892.83 : 1,668,237.36 = 657,591.17 : x
  2. Step 2: Convert to fraction form
    1,208,892.83/1,668,237.36 = 657,591.17/x
  3. Step 3: Cross multiply
    1,208,892.83x = 1,668,237.36 × 657,591.17
  4. Step 4: Simplify right side
    1,208,892.83x = 1,097,018,149,058.92
  5. Step 5: Solve for x
    x = 1,097,018,149,058.92/1,208,892.83
  6. Step 6: Final answer
    x = 907,456.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.