Home / 983,168.56-1,356,769.06-553,449.79

Finding the Fourth Proportional to 983,168.56, 1,356,769.06 and 553,449.79

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Solution

The fourth proportional to 983,168.56, 1,356,769.06 and 553,449.79 is: 763,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,168.56 : 1,356,769.06 = 553,449.79 : x
  2. Step 2: Convert to fraction form
    983,168.56/1,356,769.06 = 553,449.79/x
  3. Step 3: Cross multiply
    983,168.56x = 1,356,769.06 × 553,449.79
  4. Step 4: Simplify right side
    983,168.56x = 750,903,551,335.50
  5. Step 5: Solve for x
    x = 750,903,551,335.50/983,168.56
  6. Step 6: Final answer
    x = 763,758.71

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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.