Home / 693,148.40-1,039,722.60-194,447.60

Finding the Fourth Proportional to 693,148.40, 1,039,722.60 and 194,447.60

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Solution

The fourth proportional to 693,148.40, 1,039,722.60 and 194,447.60 is: 291,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,148.40 : 1,039,722.60 = 194,447.60 : x
  2. Step 2: Convert to fraction form
    693,148.40/1,039,722.60 = 194,447.60/x
  3. Step 3: Cross multiply
    693,148.40x = 1,039,722.60 × 194,447.60
  4. Step 4: Simplify right side
    693,148.40x = 202,171,564,235.76
  5. Step 5: Solve for x
    x = 202,171,564,235.76/693,148.40
  6. Step 6: Final answer
    x = 291,671.40

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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.