Home / 643,733.34-965,607.30-194,457.93

Finding the Fourth Proportional to 643,733.34, 965,607.30 and 194,457.93

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Solution

The fourth proportional to 643,733.34, 965,607.30 and 194,457.93 is: 291,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,733.34 : 965,607.30 = 194,457.93 : x
  2. Step 2: Convert to fraction form
    643,733.34/965,607.30 = 194,457.93/x
  3. Step 3: Cross multiply
    643,733.34x = 965,607.30 × 194,457.93
  4. Step 4: Simplify right side
    643,733.34x = 187,769,999,108.32
  5. Step 5: Solve for x
    x = 187,769,999,108.32/643,733.34
  6. Step 6: Final answer
    x = 291,689.10

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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.