Home / 690,054.44-947,187.37-612,916.52

Finding the Fourth Proportional to 690,054.44, 947,187.37 and 612,916.52

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Solution

The fourth proportional to 690,054.44, 947,187.37 and 612,916.52 is: 841,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,054.44 : 947,187.37 = 612,916.52 : x
  2. Step 2: Convert to fraction form
    690,054.44/947,187.37 = 612,916.52/x
  3. Step 3: Cross multiply
    690,054.44x = 947,187.37 × 612,916.52
  4. Step 4: Simplify right side
    690,054.44x = 580,546,786,608.35
  5. Step 5: Solve for x
    x = 580,546,786,608.35/690,054.44
  6. Step 6: Final answer
    x = 841,305.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.