Home / 976,187.70-1,347,128.64-546,471.36

Finding the Fourth Proportional to 976,187.70, 1,347,128.64 and 546,471.36

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Solution

The fourth proportional to 976,187.70, 1,347,128.64 and 546,471.36 is: 754,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,187.70 : 1,347,128.64 = 546,471.36 : x
  2. Step 2: Convert to fraction form
    976,187.70/1,347,128.64 = 546,471.36/x
  3. Step 3: Cross multiply
    976,187.70x = 1,347,128.64 × 546,471.36
  4. Step 4: Simplify right side
    976,187.70x = 736,167,219,995.75
  5. Step 5: Solve for x
    x = 736,167,219,995.75/976,187.70
  6. Step 6: Final answer
    x = 754,124.66

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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.