Home / 983,283.40-1,356,873.06-553,546.36

Finding the Fourth Proportional to 983,283.40, 1,356,873.06 and 553,546.36

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Solution

The fourth proportional to 983,283.40, 1,356,873.06 and 553,546.36 is: 763,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,283.40 : 1,356,873.06 = 553,546.36 : x
  2. Step 2: Convert to fraction form
    983,283.40/1,356,873.06 = 553,546.36/x
  3. Step 3: Cross multiply
    983,283.40x = 1,356,873.06 × 553,546.36
  4. Step 4: Simplify right side
    983,283.40x = 751,092,143,345.06
  5. Step 5: Solve for x
    x = 751,092,143,345.06/983,283.40
  6. Step 6: Final answer
    x = 763,861.31

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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.