Home / 405,454.50-607,591.25-194,846.40

Finding the Fourth Proportional to 405,454.50, 607,591.25 and 194,846.40

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Solution

The fourth proportional to 405,454.50, 607,591.25 and 194,846.40 is: 291,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,454.50 : 607,591.25 = 194,846.40 : x
  2. Step 2: Convert to fraction form
    405,454.50/607,591.25 = 194,846.40/x
  3. Step 3: Cross multiply
    405,454.50x = 607,591.25 × 194,846.40
  4. Step 4: Simplify right side
    405,454.50x = 118,386,966,759.77
  5. Step 5: Solve for x
    x = 118,386,966,759.77/405,454.50
  6. Step 6: Final answer
    x = 291,985.83

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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.