Home / 758,188.40-1,045,446.96-619,935.98

Finding the Fourth Proportional to 758,188.40, 1,045,446.96 and 619,935.98

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Solution

The fourth proportional to 758,188.40, 1,045,446.96 and 619,935.98 is: 854,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,188.40 : 1,045,446.96 = 619,935.98 : x
  2. Step 2: Convert to fraction form
    758,188.40/1,045,446.96 = 619,935.98/x
  3. Step 3: Cross multiply
    758,188.40x = 1,045,446.96 × 619,935.98
  4. Step 4: Simplify right side
    758,188.40x = 648,110,185,685.62
  5. Step 5: Solve for x
    x = 648,110,185,685.62/758,188.40
  6. Step 6: Final answer
    x = 854,814.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.