Home / 831,599.06-1,147,901.64-492,066.50

Finding the Fourth Proportional to 831,599.06, 1,147,901.64 and 492,066.50

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Solution

The fourth proportional to 831,599.06, 1,147,901.64 and 492,066.50 is: 679,226.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,599.06 : 1,147,901.64 = 492,066.50 : x
  2. Step 2: Convert to fraction form
    831,599.06/1,147,901.64 = 492,066.50/x
  3. Step 3: Cross multiply
    831,599.06x = 1,147,901.64 × 492,066.50
  4. Step 4: Simplify right side
    831,599.06x = 564,843,942,339.06
  5. Step 5: Solve for x
    x = 564,843,942,339.06/831,599.06
  6. Step 6: Final answer
    x = 679,226.29

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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.