Home / 1,680,955.95-2,319,540.34-945,897.39

Finding the Fourth Proportional to 1,680,955.95, 2,319,540.34 and 945,897.39

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Solution

The fourth proportional to 1,680,955.95, 2,319,540.34 and 945,897.39 is: 1,305,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,955.95 : 2,319,540.34 = 945,897.39 : x
  2. Step 2: Convert to fraction form
    1,680,955.95/2,319,540.34 = 945,897.39/x
  3. Step 3: Cross multiply
    1,680,955.95x = 2,319,540.34 × 945,897.39
  4. Step 4: Simplify right side
    1,680,955.95x = 2,194,047,151,240.97
  5. Step 5: Solve for x
    x = 2,194,047,151,240.97/1,680,955.95
  6. Step 6: Final answer
    x = 1,305,237.74

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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.