Home / 1,327,246.71-1,831,797.54-811,298.13

Finding the Fourth Proportional to 1,327,246.71, 1,831,797.54 and 811,298.13

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Solution

The fourth proportional to 1,327,246.71, 1,831,797.54 and 811,298.13 is: 1,119,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,246.71 : 1,831,797.54 = 811,298.13 : x
  2. Step 2: Convert to fraction form
    1,327,246.71/1,831,797.54 = 811,298.13/x
  3. Step 3: Cross multiply
    1,327,246.71x = 1,831,797.54 × 811,298.13
  4. Step 4: Simplify right side
    1,327,246.71x = 1,486,133,918,740.60
  5. Step 5: Solve for x
    x = 1,486,133,918,740.60/1,327,246.71
  6. Step 6: Final answer
    x = 1,119,711.89

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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.