Home / 831,619.40-1,247,429.10-593,673.80

Finding the Fourth Proportional to 831,619.40, 1,247,429.10 and 593,673.80

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Solution

The fourth proportional to 831,619.40, 1,247,429.10 and 593,673.80 is: 890,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,619.40 : 1,247,429.10 = 593,673.80 : x
  2. Step 2: Convert to fraction form
    831,619.40/1,247,429.10 = 593,673.80/x
  3. Step 3: Cross multiply
    831,619.40x = 1,247,429.10 × 593,673.80
  4. Step 4: Simplify right side
    831,619.40x = 740,565,974,027.58
  5. Step 5: Solve for x
    x = 740,565,974,027.58/831,619.40
  6. Step 6: Final answer
    x = 890,510.70

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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.