Home / 989,426.94-1,365,409.62-559,697.91

Finding the Fourth Proportional to 989,426.94, 1,365,409.62 and 559,697.91

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Solution

The fourth proportional to 989,426.94, 1,365,409.62 and 559,697.91 is: 772,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,426.94 : 1,365,409.62 = 559,697.91 : x
  2. Step 2: Convert to fraction form
    989,426.94/1,365,409.62 = 559,697.91/x
  3. Step 3: Cross multiply
    989,426.94x = 1,365,409.62 × 559,697.91
  4. Step 4: Simplify right side
    989,426.94x = 764,216,910,607.89
  5. Step 5: Solve for x
    x = 764,216,910,607.89/989,426.94
  6. Step 6: Final answer
    x = 772,383.37

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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.