Home / 1,221,529.85-1,831,711.44-716,244.70

Finding the Fourth Proportional to 1,221,529.85, 1,831,711.44 and 716,244.70

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Solution

The fourth proportional to 1,221,529.85, 1,831,711.44 and 716,244.70 is: 1,074,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,529.85 : 1,831,711.44 = 716,244.70 : x
  2. Step 2: Convert to fraction form
    1,221,529.85/1,831,711.44 = 716,244.70/x
  3. Step 3: Cross multiply
    1,221,529.85x = 1,831,711.44 × 716,244.70
  4. Step 4: Simplify right side
    1,221,529.85x = 1,311,953,601,670.81
  5. Step 5: Solve for x
    x = 1,311,953,601,670.81/1,221,529.85
  6. Step 6: Final answer
    x = 1,074,025.00

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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.