Home / 831,799.71-1,247,709.42-292,069.53

Finding the Fourth Proportional to 831,799.71, 1,247,709.42 and 292,069.53

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Solution

The fourth proportional to 831,799.71, 1,247,709.42 and 292,069.53 is: 438,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,799.71 : 1,247,709.42 = 292,069.53 : x
  2. Step 2: Convert to fraction form
    831,799.71/1,247,709.42 = 292,069.53/x
  3. Step 3: Cross multiply
    831,799.71x = 1,247,709.42 × 292,069.53
  4. Step 4: Simplify right side
    831,799.71x = 364,417,903,875.97
  5. Step 5: Solve for x
    x = 364,417,903,875.97/831,799.71
  6. Step 6: Final answer
    x = 438,107.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.