Home / 983,219.76-1,356,972.59-553,583.61

Finding the Fourth Proportional to 983,219.76, 1,356,972.59 and 553,583.61

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Solution

The fourth proportional to 983,219.76, 1,356,972.59 and 553,583.61 is: 764,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,219.76 : 1,356,972.59 = 553,583.61 : x
  2. Step 2: Convert to fraction form
    983,219.76/1,356,972.59 = 553,583.61/x
  3. Step 3: Cross multiply
    983,219.76x = 1,356,972.59 × 553,583.61
  4. Step 4: Simplify right side
    983,219.76x = 751,197,785,043.25
  5. Step 5: Solve for x
    x = 751,197,785,043.25/983,219.76
  6. Step 6: Final answer
    x = 764,018.19

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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.