Home / 983,218.01-1,356,970.18-553,581.86

Finding the Fourth Proportional to 983,218.01, 1,356,970.18 and 553,581.86

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Solution

The fourth proportional to 983,218.01, 1,356,970.18 and 553,581.86 is: 764,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,218.01 : 1,356,970.18 = 553,581.86 : x
  2. Step 2: Convert to fraction form
    983,218.01/1,356,970.18 = 553,581.86/x
  3. Step 3: Cross multiply
    983,218.01x = 1,356,970.18 × 553,581.86
  4. Step 4: Simplify right side
    983,218.01x = 751,194,078,217.41
  5. Step 5: Solve for x
    x = 751,194,078,217.41/983,218.01
  6. Step 6: Final answer
    x = 764,015.78

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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.