Home / 1,225,311.60-1,838,142.39-383,928.96

Finding the Fourth Proportional to 1,225,311.60, 1,838,142.39 and 383,928.96

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Solution

The fourth proportional to 1,225,311.60, 1,838,142.39 and 383,928.96 is: 575,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,311.60 : 1,838,142.39 = 383,928.96 : x
  2. Step 2: Convert to fraction form
    1,225,311.60/1,838,142.39 = 383,928.96/x
  3. Step 3: Cross multiply
    1,225,311.60x = 1,838,142.39 × 383,928.96
  4. Step 4: Simplify right side
    1,225,311.60x = 705,716,096,124.61
  5. Step 5: Solve for x
    x = 705,716,096,124.61/1,225,311.60
  6. Step 6: Final answer
    x = 575,948.27

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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.