Home / 996,385.79-1,374,972.64-588,618.56

Finding the Fourth Proportional to 996,385.79, 1,374,972.64 and 588,618.56

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Solution

The fourth proportional to 996,385.79, 1,374,972.64 and 588,618.56 is: 812,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,385.79 : 1,374,972.64 = 588,618.56 : x
  2. Step 2: Convert to fraction form
    996,385.79/1,374,972.64 = 588,618.56/x
  3. Step 3: Cross multiply
    996,385.79x = 1,374,972.64 × 588,618.56
  4. Step 4: Simplify right side
    996,385.79x = 809,334,417,362.08
  5. Step 5: Solve for x
    x = 809,334,417,362.08/996,385.79
  6. Step 6: Final answer
    x = 812,270.13

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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.