Home / 1,412,386.34-1,947,263.70-914,784.92

Finding the Fourth Proportional to 1,412,386.34, 1,947,263.70 and 914,784.92

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Solution

The fourth proportional to 1,412,386.34, 1,947,263.70 and 914,784.92 is: 1,261,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,386.34 : 1,947,263.70 = 914,784.92 : x
  2. Step 2: Convert to fraction form
    1,412,386.34/1,947,263.70 = 914,784.92/x
  3. Step 3: Cross multiply
    1,412,386.34x = 1,947,263.70 × 914,784.92
  4. Step 4: Simplify right side
    1,412,386.34x = 1,781,327,458,287.09
  5. Step 5: Solve for x
    x = 1,781,327,458,287.09/1,412,386.34
  6. Step 6: Final answer
    x = 1,261,218.27

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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.