Home / 463,947.40-695,985.90-197,705.80

Finding the Fourth Proportional to 463,947.40, 695,985.90 and 197,705.80

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Solution

The fourth proportional to 463,947.40, 695,985.90 and 197,705.80 is: 296,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,947.40 : 695,985.90 = 197,705.80 : x
  2. Step 2: Convert to fraction form
    463,947.40/695,985.90 = 197,705.80/x
  3. Step 3: Cross multiply
    463,947.40x = 695,985.90 × 197,705.80
  4. Step 4: Simplify right side
    463,947.40x = 137,600,449,148.22
  5. Step 5: Solve for x
    x = 137,600,449,148.22/463,947.40
  6. Step 6: Final answer
    x = 296,586.31

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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.