Home / 697,287.06-962,208.45-391,327.38

Finding the Fourth Proportional to 697,287.06, 962,208.45 and 391,327.38

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Solution

The fourth proportional to 697,287.06, 962,208.45 and 391,327.38 is: 540,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,287.06 : 962,208.45 = 391,327.38 : x
  2. Step 2: Convert to fraction form
    697,287.06/962,208.45 = 391,327.38/x
  3. Step 3: Cross multiply
    697,287.06x = 962,208.45 × 391,327.38
  4. Step 4: Simplify right side
    697,287.06x = 376,538,511,752.36
  5. Step 5: Solve for x
    x = 376,538,511,752.36/697,287.06
  6. Step 6: Final answer
    x = 540,005.02

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1.5x scale

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.